Olga Pasichnyk
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genre: opera
description: thumbnail|Olga Pasichnyk Olga Pasichnyk (Ukrainian: Ольга Ігорівна Плиска-Пасічник [Olga Ihorivna Plyska-Pasichnyk]; Polish: Olga Pasiecznik; born 3 March 1968) is a Polish-Ukrainian classical soprano
popularity: 17
followers: 302
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album: Widmann: Works for Ensemble
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album: Penderecki: Magnificat & Kadisz
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album: 1830 Warsaw Concert: Works by Chopin, Kurpinski, Paër & Elsner
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album: The Essentials: Handel
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    genre: russian-romanticism
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  track: Album from the Summer of 1901, Op. 39: No. 3, Élégie. La tristesse
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Melody
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  date published: 2026-07-31T05:17:02Z
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Melody
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  date published: 2026-07-31T08:26:41Z
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Don Giovanni, K. 527, Atto I Scena 3: "Ah del padre in periglio" - "Ma qual mai s'offre, o Dei"
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  date published: 2026-07-08T03:20:19Z
audio: Don Giovanni, K. 527, Atto I Scena 3: "Ah del padre in periglio" - "Ma qual mai s'offre, o Dei"
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Don Giovanni, K. 527, Atto I Scena 20: "Riposate, vezzose ragazze"
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ceaaa624f754afa144c2d7edfebf3c92a5fc5eae4146676deed97fff2eb3047. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/FRZ140643090.
  date published: 2026-07-07T20:41:57Z
audio: Don Giovanni, K. 527, Atto I Scena 20: "Riposate, vezzose ragazze"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.605
  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: 0.383
  additional property: Energy
    type: PropertyValue
    value: 0.369
  additional property: Speechiness
    type: PropertyValue
    value: 0.075
  additional property: Acousticness
    type: PropertyValue
    value: 0.93
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.022
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.32
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.724
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Atto I Scena 13: "O sai chi l'onore"
type: MusicRecording
duration: PT2M43S
duration ms: 163400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Olga Pasichnyk
by artist: Freiburger Barockorchester
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
isrc code: FRZ140642220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:49:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26d661c1c7ebd7c5279549f856014dbd3407a2dd096b1ee3b75a15fdc7e27e7c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140642220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26d661c1c7ebd7c5279549f856014dbd3407a2dd096b1ee3b75a15fdc7e27e7c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140642220.
  date published: 2026-07-08T03:53:27Z
audio: Don Giovanni, K. 527, Atto I Scena 13: "O sai chi l'onore"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.217
  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: 0.343
  additional property: Energy
    type: PropertyValue
    value: 0.264
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.144
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.075
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.288
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Atto I Scena 1: "Notte e giorno faticar"
type: MusicRecording
duration: PT5M26S
duration ms: 326160
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Lorenzo Regazzo
by artist: Olga Pasichnyk
by artist: Johannes Weisser
by artist: Alessandro Guerzoni
by artist: Freiburger Barockorchester
by artist: René Jacobs
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11aa3fd1e287533dde8bfab87300d8c410c22f01a230698d2486ba2c5d4f86f9. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:51:14Z), 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/FRZ140642020.
  date published: 2026-07-22T20:51:14Z
audio: Don Giovanni, K. 527, Atto I Scena 1: "Notte e giorno faticar"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.227
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.349
  additional property: Energy
    type: PropertyValue
    value: 0.263
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.023
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.177
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.298
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140642020
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 959163
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T18:47:29+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140642020
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959163
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959163
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T18:47:29+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Don Giovanni, K. 527, Atto I Scena 3: "Fuggi, crudele, fuggi!"
type: MusicRecording
duration: PT3M53S
duration ms: 233866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kenneth Tarver
by artist: Olga Pasichnyk
by artist: Freiburger Barockorchester
by artist: René Jacobs
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb42dec43bcd7d10e877fcbe1c56081f1605ab12c621e7ca6f0c47d2a22d443fa. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/FRZ140642050.
  date published: 2026-07-29T12:35:17Z
audio: Don Giovanni, K. 527, Atto I Scena 3: "Fuggi, crudele, fuggi!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.336
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.273
  additional property: Energy
    type: PropertyValue
    value: 0.184
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.315
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.064
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.703
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140642050
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960105
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T12:35:17+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140642050
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960105
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960105
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T12:35:17+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Don Giovanni, K. 527, Atto I Scena 19: "Bisogna aver coraggio"
type: MusicRecording
duration: PT3M16S
duration ms: 196213
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Alexandrina Pendatchanska
by artist: Lorenzo Regazzo
by artist: Kenneth Tarver
by artist: Olga Pasichnyk
by artist: Johannes Weisser
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd41040df907989497664fd3c2e9bf95def3491f8758a947597a497381b90ddf4. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/FRZ140643080.
  date published: 2026-07-30T06:39:12Z
audio: Don Giovanni, K. 527, Atto I Scena 19: "Bisogna aver coraggio"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.772
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.372
  additional property: Energy
    type: PropertyValue
    value: 0.149
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.141
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.109
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.529
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140643080
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960216
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T06:39:12+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643080
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960216
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Don Giovanni, K. 527, Atto I Scena 11: "Mi par ch'oggi il demonio si diverta"
type: MusicRecording
duration: PT1M7S
duration ms: 67266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kenneth Tarver
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Olga Pasichnyk
by artist: Johannes Weisser
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dec23d2c2f418b86c429eebb93c9bb62bcd5b22324c2c33b400ad2ac87d2f51. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/FRZ140642180.
  date published: 2026-07-30T06:39:12Z
audio: Don Giovanni, K. 527, Atto I Scena 11: "Mi par ch'oggi il demonio si diverta"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.566
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.452
  additional property: Energy
    type: PropertyValue
    value: 0.148
  additional property: Speechiness
    type: PropertyValue
    value: 0.251
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.284
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.555
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140642180
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960216
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T06:39:12+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140642180
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960216
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Don Giovanni, K. 527, Atto I Scena 12: "Ah ti ritrovo ancor" - "Non ti fidar, o misera"
type: MusicRecording
duration: PT3M27S
duration ms: 207813
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kenneth Tarver
by artist: Johannes Weisser
by artist: Olga Pasichnyk
by artist: Alexandrina Pendatchanska
by artist: Freiburger Barockorchester
by artist: René Jacobs
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7503e1874845184920482a7ba55d783650a5b7a670fb021d7dd2e804e03c80fe. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140642190.
  date published: 2026-07-30T03:35:13Z
audio: Don Giovanni, K. 527, Atto I Scena 12: "Ah ti ritrovo ancor" - "Non ti fidar, o misera"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.135
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.401
  additional property: Energy
    type: PropertyValue
    value: 0.254
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.349
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.193
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.261
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140642190
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960203
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T03:35:13+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140642190
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960203
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960203
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T03:35:13+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Don Giovanni, K. 527, Atto II Scena 7 - Scena 8: "Sola sola in buio loco" - "Ferma, briccone"
type: MusicRecording
duration: PT7M4S
duration ms: 424186
explicit: false
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by artist: Sunhae Im
by artist: Olga Pasichnyk
by artist: Lorenzo Regazzo
by artist: René Jacobs
by artist: Nikolay Borchev
by artist: Freiburger Barockorchester
by artist: Alexandrina Pendatchanska
by artist: Kenneth Tarver
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genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T07:48:45Z
audio: Don Giovanni, K. 527, Atto II Scena 7 - Scena 8: "Sola sola in buio loco" - "Ferma, briccone"
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additional property: OTSVerifyInstructions
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Don Giovanni, K. 527, Atto I Scena 13: "Don Ottavio, son morta!"
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explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Olga Pasichnyk
by artist: Freiburger Barockorchester
by artist: René Jacobs
by artist: Kenneth Tarver
in album: Mozart: Don Giovanni
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genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T00:11:40Z
audio: Don Giovanni, K. 527, Atto I Scena 13: "Don Ottavio, son morta!"
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Introit: Requiem aeternam (Chorus)
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duration: PT4M44S
duration ms: 284266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Olga Pasichnyk
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 6
genre: classical
genre: classical-era
isrc code: PLA161521001
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Introit: Requiem aeternam (Chorus)
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Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 4: Recordare, Jesu pie (Soprano, Mezzo-soprano, Tenor, Baritone)
type: MusicRecording
duration: PT5M24S
duration ms: 324493
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Olga Pasichnyk
by artist: Anna Lubanska
by artist: Krzysztof Szmyt
by artist: Krzysztof Borysiewicz
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
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  date published: 2015-11-06
popularity: 2
genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 4: Recordare, Jesu pie (Soprano, Mezzo-soprano, Tenor, Baritone)
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Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Communion: Lux aeterna (Soprano, Chorus)
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duration: PT3M2S
duration ms: 182866
explicit: false
by artist: Wolfgang Amadeus Mozart
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by artist: Piotr Wajrak
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popularity: 1
genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Communion: Lux aeterna (Soprano, Chorus)
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Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 2: Tuba mirum (Soprano, Mezzo-soprano, Tenor, Baritone)
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duration: PT3M54S
duration ms: 234386
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Olga Pasichnyk
by artist: Anna Lubanska
by artist: Krzysztof Szmyt
by artist: Krzysztof Borysiewicz
by artist: Łukasz Hodor
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd678d3bdfd98a71b529c36fc713694158d976580a840026992cab90fc141a3. Chain 2 (Bitcoin): anchored in block 960349 (2026-07-31T05:23:41Z), 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/PLA161521004.
  date published: 2026-07-31T05:23:41Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 2: Tuba mirum (Soprano, Mezzo-soprano, Tenor, Baritone)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Offertory No. 1: Domine Jesu Christe (Chorus)
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duration: PT3M20S
duration ms: 200520
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Olga Pasichnyk
by artist: Anna Lubanska
by artist: Krzysztof Szmyt
by artist: Krzysztof Borysiewicz
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T21:00:46Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Offertory No. 1: Domine Jesu Christe (Chorus)
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Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Benedictus (Soprano, Mezzo-soprano, Tenor, Baritone)
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by artist: Wolfgang Amadeus Mozart
by artist: Olga Pasichnyk
by artist: Anna Lubanska
by artist: Krzysztof Szmyt
by artist: Krzysztof Borysiewicz
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
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popularity: 2
genre: classical
genre: classical-era
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  date published: 2026-07-31T21:25:57Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Benedictus (Soprano, Mezzo-soprano, Tenor, Baritone)
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Kosmogonia
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by artist: Krzysztof Penderecki
by artist: Olga Pasichnyk
by artist: Rafal Bartminski
by artist: Tomasz Konieczny
by artist: Warsaw Philharmonic Choir
by artist: Warsaw Philharmonic Orchestra
by artist: Antoni Wit
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T03:30:09Z
audio: Kosmogonia
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17 Polish Songs, Op. 74: No. 14, Pierścień
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by artist: Natalya Pasichnyk
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: 17 Polish Songs, Op. 74: No. 14, Pierścień
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bd0a4985b2fa23f9a0470b0185c6bbf0cf464efbfb94ce61a12623e6e1c312a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEX1622040.
date published: 2026-07-08T03:53:27Z

Album from the Summer of 1901, Op. 39: No. 3, Élégie. La tristesse
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Allegro
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by artist: Natalya Pasichnyk
by artist: Christian Svarfvar
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Allegro
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Prelude, Op. 1: No. 2, Allegretto pastorale
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by artist: Natalya Pasichnyk
in album: Consolation: Forgotten Treasures of the Ukranian Soul
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popularity: 2
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Prelude, Op. 1: No. 2, Allegretto pastorale
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Bagatelle, Op. 1: No. 1, Allegretto
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duration: PT2M19S
duration ms: 139586
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by artist: Natalya Pasichnyk
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popularity: 40
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  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:24:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x20e022c6de31cdd36b8e939a3cabf75944a9865eeacae208292a522b4fb9078c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEX1622200
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20e022c6de31cdd36b8e939a3cabf75944a9865eeacae208292a522b4fb9078c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEX1622200.
  date published: 2026-06-13T12:47:07Z
audio: Bagatelle, Op. 1: No. 1, Allegretto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 71.556
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.356
  additional property: Energy
    type: PropertyValue
    value: 0.008
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.881
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.306
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Don Giovanni
type: MusicAlbum
date published: 2007-10-09
track: Don Giovanni, K. 527: Ouvertura
  type: MusicRecording
  duration: PT5M35S
  duration ms: 335466
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: René Jacobs
  by artist: Freiburger Barockorchester
  in album: Mozart: Don Giovanni
    type: MusicAlbum
    date published: 2007-10-09
  genre: classical
  genre: classical-era
  isrc code: FRZ140642010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T15:48:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x961914705d0d0a0a0d6884d3f628b481fad4589c3f2a64d7a7b82a6b8e418e9c
  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/FRZ140642010
  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 0x961914705d0d0a0a0d6884d3f628b481fad4589c3f2a64d7a7b82a6b8e418e9c. 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/FRZ140642010.
    date published: 2026-07-02T03:55:08Z
  audio: Don Giovanni, K. 527: Ouvertura
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 137.01
    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: 0.317
    additional property: Energy
      type: PropertyValue
      value: 0.172
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.876
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.814
    additional property: Liveness
      type: PropertyValue
      value: 0.194
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.151
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.136
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Don Giovanni, K. 527, Atto I Scena 15: "Io deggio ad ogni patto"
  type: MusicRecording
  duration: PT1M53S
  duration ms: 113173
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Johannes Weisser
  by artist: Lorenzo Regazzo
  by artist: René Jacobs
  by artist: Freiburger Barockorchester
  in album: Mozart: Don Giovanni
    type: MusicAlbum
    date published: 2007-10-09
  genre: classical
  genre: classical-era
  isrc code: FRZ140643010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T00:56:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x49b165742f837eab35cc446a9ba4e07362e29d0f126e4c79c53fe63df6865615
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643010
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49b165742f837eab35cc446a9ba4e07362e29d0f126e4c79c53fe63df6865615. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643010.
    date published: 2026-07-08T03:20:19Z
  audio: Don Giovanni, K. 527, Atto I Scena 15: "Io deggio ad ogni patto"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.408
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 6
    additional property: Danceability
      type: PropertyValue
      value: 0.568
    additional property: Energy
      type: PropertyValue
      value: 0.293
    additional property: Speechiness
      type: PropertyValue
      value: 0.504
    additional property: Acousticness
      type: PropertyValue
      value: 0.956
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.727
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.4
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.204
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Don Giovanni, K. 527, Atto II Scena 10a: "Restati qua!"
  type: MusicRecording
  duration: PT1M46S
  duration ms: 106440
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Sunhae Im
  by artist: René Jacobs
  by artist: Freiburger Barockorchester
  by artist: Lorenzo Regazzo
  in album: Mozart: Don Giovanni
    type: MusicAlbum
    date published: 2007-10-09
  genre: classical
  genre: classical-era
  isrc code: FRZ140644020
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Don Giovanni, K. 527, Atto II Scena 10a: "Restati qua!"
track: Don Giovanni, K. 527, Atto I Scena 3: "Ah del padre in periglio" - "Ma qual mai s'offre, o Dei"
track: Don Giovanni, K. 527, Atto I Scena 16: "Batti, batti, o bel Masetto"
track: Don Giovanni, K. 527, Atto I Scena 16: "Guarda un po' come seppe"
track: Don Giovanni, K. 527, Atto I Scena 16 - Scena 17: "Presto presto pria ch'ei venga" - "Su svegliatevi, da bravi"
track: Don Giovanni, K. 527, Atto I Scena 20: "Riposate, vezzose ragazze"
track: Don Giovanni, K. 527, Atto II Scena 1: "Eh via buffone"
track: Don Giovanni, K. 527, Atto I Scena 7: "Giovinette che fate all'amore"
track: Don Giovanni, K. 527, Atto II Scena 1: "Leporello. Signore."
track: Don Giovanni, K. 527, Atto I Scena 8: "Manco male è partita"
track: Don Giovanni, K. 527, Atto II Scena 2: "Ah taci, ingiusto core"
track: Don Giovanni, K. 527, Atto II Scena 3: "Deh vieni alla finestra"
track: Don Giovanni, K. 527, Atto I Scena 9: "Là ci darem la mano"
track: Don Giovanni, K. 527, Atto II Scena 4: Aria: "Metà di voi qua vadano"
track: Don Giovanni, K. 527, Atto I Scena 13: "O sai chi l'onore"
track: Don Giovanni, K. 527, Atto I Scena 14: "Come mai creder deggio"
track: Don Giovanni, K. 527, Atto I Scena 1: "Notte e giorno faticar"
track: Don Giovanni, K. 527, Atto I Scena 3: "Fuggi, crudele, fuggi!"
track: Don Giovanni, K. 527, Atto I Scena 19: "Bisogna aver coraggio"
track: Don Giovanni, K. 527, Atto I Scena 11: "Mi par ch'oggi il demonio si diverta"
track: Don Giovanni, K. 527, Atto I Scena 12: "Ah ti ritrovo ancor" - "Non ti fidar, o misera"
track: Don Giovanni, K. 527, Atto II Scena 7 - Scena 8: "Sola sola in buio loco" - "Ferma, briccone"
track: Don Giovanni, K. 527, Atto I Scena 13: "Don Ottavio, son morta!"

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T08:07:02+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x71f34b0395bf6ba4a76ec02379589d208f65e72f0589a7370ec989c79af69fad

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957124

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957124

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140644020

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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 0x71f34b0395bf6ba4a76ec02379589d208f65e72f0589a7370ec989c79af69fad. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140644020.
date published: 2026-07-08T03:53:27Z

Don Giovanni, K. 527, Atto II Scena 10a: "Restati qua!"
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 103.517
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: 0.468
additional property: Energy
  type: PropertyValue
  value: 0.205
additional property: Speechiness
  type: PropertyValue
  value: 0.18
additional property: Acousticness
  type: PropertyValue
  value: 0.968
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.56
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.421
additional property: Loudness (dB)
  type: PropertyValue
  value: -26.603
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Don Giovanni, K. 527, Atto I Scena 16: "Batti, batti, o bel Masetto"
type: MusicRecording
duration: PT3M25S
duration ms: 205733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Sunhae Im
by artist: Freiburger Barockorchester
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
isrc code: FRZ140643040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:34:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39c095acf31bb0eae095cede59227bee04e0c80e60af46a5f379f15d77d840c7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39c095acf31bb0eae095cede59227bee04e0c80e60af46a5f379f15d77d840c7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643040.
  date published: 2026-07-08T03:20:19Z
audio: Don Giovanni, K. 527, Atto I Scena 16: "Batti, batti, o bel Masetto"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.277
  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: 0.286
  additional property: Energy
    type: PropertyValue
    value: 0.129
  additional property: Speechiness
    type: PropertyValue
    value: 0.146
  additional property: Acousticness
    type: PropertyValue
    value: 0.909
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.217
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.311
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.285
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Atto I Scena 16: "Guarda un po' come seppe"
type: MusicRecording
duration: PT0M36S
duration ms: 36386
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Freiburger Barockorchester
by artist: Sunhae Im
by artist: Johannes Weisser
by artist: René Jacobs
by artist: Nikolay Borchev
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
isrc code: FRZ140643050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:15:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6fe6ba7302c06e33ded3b02a5ef9c900d86b9baa9d758089d9a14391b0e175d1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fe6ba7302c06e33ded3b02a5ef9c900d86b9baa9d758089d9a14391b0e175d1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643050.
  date published: 2026-07-08T03:20:19Z
audio: Don Giovanni, K. 527, Atto I Scena 16: "Guarda un po' come seppe"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.676
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.567
  additional property: Energy
    type: PropertyValue
    value: 0.37
  additional property: Speechiness
    type: PropertyValue
    value: 0.727
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.289
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.549
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.958
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Atto I Scena 16 - Scena 17: "Presto presto pria ch'ei venga" - "Su svegliatevi, da bravi"
type: MusicRecording
duration: PT1M37S
duration ms: 97146
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolay Borchev
by artist: Johannes Weisser
by artist: René Jacobs
by artist: RIAS Kammerchor
by artist: Freiburger Barockorchester
by artist: Sunhae Im
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
isrc code: FRZ140643060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:02:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd69807abe5cb72d6d3d19004592f0df19b33a5eb75a4f156d8745b5f8890b2e7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd69807abe5cb72d6d3d19004592f0df19b33a5eb75a4f156d8745b5f8890b2e7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643060.
  date published: 2026-07-08T03:53:27Z
audio: Don Giovanni, K. 527, Atto I Scena 16 - Scena 17: "Presto presto pria ch'ei venga" - "Su svegliatevi, da bravi"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.152
  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: 0.472
  additional property: Energy
    type: PropertyValue
    value: 0.399
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.351
  additional property: Liveness
    type: PropertyValue
    value: 0.704
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.377
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.655
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Atto II Scena 1: "Eh via buffone"
type: MusicRecording
duration: PT1M1S
duration ms: 61720
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Lorenzo Regazzo
by artist: Johannes Weisser
by artist: Freiburger Barockorchester
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
isrc code: FRZ140643100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:54:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1d45625c23fd3f865073c0e05069b51ae53dd5bfdf42ceac33c1f56fd809ed5
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/FRZ140643100
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 0xf1d45625c23fd3f865073c0e05069b51ae53dd5bfdf42ceac33c1f56fd809ed5. 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/FRZ140643100.
  date published: 2026-07-08T03:22:41Z
audio: Don Giovanni, K. 527, Atto II Scena 1: "Eh via buffone"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.997
  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: 0.544
  additional property: Energy
    type: PropertyValue
    value: 0.373
  additional property: Speechiness
    type: PropertyValue
    value: 0.142
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.316
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.666
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.154
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Atto I Scena 7: "Giovinette che fate all'amore"
type: MusicRecording
duration: PT1M31S
duration ms: 91733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: RIAS Kammerchor
by artist: Sunhae Im
by artist: Nikolay Borchev
by artist: Freiburger Barockorchester
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
isrc code: FRZ140642110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:11:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1a5211b424fca79ca20034a7d385c2731865f0d3244eda932d50eab80a424f7b
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/FRZ140642110
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 0x1a5211b424fca79ca20034a7d385c2731865f0d3244eda932d50eab80a424f7b. 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/FRZ140642110.
  date published: 2026-07-06T07:16:32Z
audio: Don Giovanni, K. 527, Atto I Scena 7: "Giovinette che fate all'amore"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.141
  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: 0.492
  additional property: Energy
    type: PropertyValue
    value: 0.41
  additional property: Speechiness
    type: PropertyValue
    value: 0.115
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.096
  additional property: Liveness
    type: PropertyValue
    value: 0.658
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.549
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.564
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Atto II Scena 1: "Leporello. Signore."
type: MusicRecording
duration: PT2M4S
duration ms: 124786
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Lorenzo Regazzo
by artist: Johannes Weisser
by artist: Freiburger Barockorchester
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
isrc code: FRZ140643110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:16:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd0c9b6d659b7595812bb161b43f9a1d8758b7fc52f1598b0f82a8fc38c248036
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0c9b6d659b7595812bb161b43f9a1d8758b7fc52f1598b0f82a8fc38c248036. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643110.
  date published: 2026-07-08T03:53:27Z
audio: Don Giovanni, K. 527, Atto II Scena 1: "Leporello. Signore."
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.862
  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: 0.488
  additional property: Energy
    type: PropertyValue
    value: 0.18
  additional property: Speechiness
    type: PropertyValue
    value: 0.292
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.752
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.491
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.513
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Atto I Scena 8: "Manco male è partita"
type: MusicRecording
duration: PT2M14S
duration ms: 134680
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Lorenzo Regazzo
by artist: René Jacobs
by artist: Sunhae Im
by artist: Johannes Weisser
by artist: Nikolay Borchev
by artist: Freiburger Barockorchester
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
isrc code: FRZ140642120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:51:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x381a8aaaf795683662d693eb0eafe9d89b45302cbcd97fe267452b278b092964
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/FRZ140642120
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 0x381a8aaaf795683662d693eb0eafe9d89b45302cbcd97fe267452b278b092964. 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/FRZ140642120.
  date published: 2026-07-08T03:22:41Z
audio: Don Giovanni, K. 527, Atto I Scena 8: "Manco male è partita"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.242
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.552
  additional property: Energy
    type: PropertyValue
    value: 0.232
  additional property: Speechiness
    type: PropertyValue
    value: 0.382
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.67
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.449
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.658
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Atto II Scena 2: "Ah taci, ingiusto core"
type: MusicRecording
duration: PT4M13S
duration ms: 253160
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johannes Weisser
by artist: Alexandrina Pendatchanska
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Lorenzo Regazzo
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
isrc code: FRZ140643120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:52:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8cd5aef5e27a519460189322a1c033e69e0dc0f2b570bd8f0d9cdc7f19e73d7a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cd5aef5e27a519460189322a1c033e69e0dc0f2b570bd8f0d9cdc7f19e73d7a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643120.
  date published: 2026-07-08T03:53:27Z
audio: Don Giovanni, K. 527, Atto II Scena 2: "Ah taci, ingiusto core"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.118
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.325
  additional property: Energy
    type: PropertyValue
    value: 0.167
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.347
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.084
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.731
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Don Giovanni, K. 527, Atto II Scena 3: "Deh vieni alla finestra"
type: MusicRecording
duration: PT1M55S
duration ms: 115586
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johannes Weisser
by artist: René Jacobs
by artist: Freiburger Barockorchester
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
isrc code: FRZ140643140
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:57:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe60d5c38b60202d5b053e69dfe6c72ba65fced9d717052aa0907a74c253cf18c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957075
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957075
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643140
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:50:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe60d5c38b60202d5b053e69dfe6c72ba65fced9d717052aa0907a74c253cf18c. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140643140.
  date published: 2026-07-07T18:50:38Z
audio: Don Giovanni, K. 527, Atto II Scena 3: "Deh vieni alla finestra"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.226
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.34
  additional property: Energy
    type: PropertyValue
    value: 0.079
  additional property: Speechiness
    type: PropertyValue
    value: 0.085
  additional property: Acousticness
    type: PropertyValue
    value: 0.786
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.15
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.622
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Don Giovanni, K. 527, Atto I Scena 9: "Là ci darem la mano"
type: MusicRecording
duration: PT2M59S
duration ms: 179186
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Sunhae Im
by artist: Johannes Weisser
by artist: Freiburger Barockorchester
in album: Mozart: Don Giovanni
  type: MusicAlbum
  date published: 2007-10-09
genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39ea653a45feecc088b2136256985795fe6a9eca4b29e1e475b5879683835a3f. 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/FRZ140642150.
  date published: 2026-07-06T06:56:49Z
audio: Don Giovanni, K. 527, Atto I Scena 9: "Là ci darem la mano"
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Don Giovanni, K. 527, Atto II Scena 4: Aria: "Metà di voi qua vadano"
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by artist: Freiburger Barockorchester
by artist: Johannes Weisser
by artist: René Jacobs
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genre: classical
genre: classical-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Don Giovanni, K. 527, Atto II Scena 4: Aria: "Metà di voi qua vadano"
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Don Giovanni, K. 527, Atto I Scena 14: "Come mai creder deggio"
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by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Kenneth Tarver
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genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
audio: Don Giovanni, K. 527, Atto I Scena 14: "Come mai creder deggio"
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Mozart: Requiem in D Minor, K. 626
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date published: 2015-11-06
track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Introit: Requiem aeternam (Chorus)
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  popularity: 3
  genre: classical
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
  audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Kyrie eleison (Chorus)
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track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 3: Rex tremendae majestatis (Chorus)
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  additional property: OTSVerifyInstructions
    type: PropertyValue
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 4: Recordare, Jesu pie (Soprano, Mezzo-soprano, Tenor, Baritone)
track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Agnus Dei (Chorus)
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Agnus Dei (Chorus)
track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Communion: Lux aeterna (Soprano, Chorus)
track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 2: Tuba mirum (Soprano, Mezzo-soprano, Tenor, Baritone)
track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Offertory No. 1: Domine Jesu Christe (Chorus)
track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Benedictus (Soprano, Mezzo-soprano, Tenor, Baritone)

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3275ab185163c487619e4ae7b37ae5b44197f96058e8f069fdc87c8d576ec07c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA161521013.
date published: 2026-07-08T03:53:27Z

Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Agnus Dei (Chorus)
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Penderecki: Canticum canticorum Salomonis - Kosmogonia
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track: Song of Cherubim
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Classical Chill
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Queen Elisabeth Competition 1951-2001 (Live)
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Penderecki: A Sea of Dreams Did Breathe on Me...
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Penderecki (Eternal)
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Szymanowski, K.: King Roger
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Bizet: Le Docteur Miracle (Opéra en un acte)
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Queen Elisabeth Competition - Singing 2000 (Live)
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The Best of Antoni Wit
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Lutosławski: Symphony No. 1 / Chantefleurs Et Chantefables
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Forster, K.: Vanitas vanitatum
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