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genre: classical
genre: opera
description: MusicAeterna (stylized as musicAeterna; from Latin musica aeterna 'eternal music') is an orchestra and choir based in Saint Petersburg. The ensemble was founded by conductor Teodor Currentzis and is k
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  date published: 2026-06-12T19:28:13Z
album: Mozart: Così fan tutte
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  date published: 2014-11-14
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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: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Ah non partite! (Recitativo: Ferrando, Guglielmo, Don Alfonso, Dorabella, Fiordiligi)
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      date published: 2026-07-08T08:56:20Z
    audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Ah non partite! (Recitativo: Ferrando, Guglielmo, Don Alfonso, Dorabella, Fiordiligi)
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  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: È la fede delle femmine (No. 2, Terzetto: Ferrando, Don Alfonso, Guglielmo)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Si può sapere un poco (Recitativo: Don Alfonso, Guglielmo, Ferrando)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Scioccherie di poeti! (Recitativo: Ferrando, Guglielmo, Don Alfonso)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Un'aura amorosa (No. 17, Aria: Ferrando)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Oh la saria da ridere (Recitativo: Don Alfonso, Despina)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Ah guarda, sorella (No. 4, Duetto: Fiordiligi, Dorabella)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Stelle! Per carità, signor Alfonso (Recitativo: Fiordiligi, Don Alfonso, Dorabella)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Secondo: Andate là, che siete (Recitativo: Despina, Fiordiligi, Dorabella)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: La commedia è graziosa (Recitativo: Don Alfonso, Ferrando, Fiordiligi, Dorabella)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Secondo: Prenderò quel brunettino (No. 20, Duetto: Fiordiligi, Dorabella)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Di scrivermi ogni giorno (Recitativo: Fiordiligi, Dorabella, Ferrando, Guglielmo, Don Alfonso)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Bella vita militar! (No. 9, Coro)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Soave sia il vento (No. 10, Terzettino: Fiordiligi, Dorabella, Don Alfonso)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Non son cattivo comico! - Nel mare solca (Recitativo: Don Alfonso)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Smanie implacabili che m'agitate (No. 11, Aria: Dorabella)
  track: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Che silenzio! Che aspetto di tristezza (Recitativo: Don Alfonso, Despina)
album: Mozart: Le nozze di Figaro, K. 492
album: Tchaikovsky: Violin Concerto, Op. 35, TH 59 - Stravinsky: Les noces
album: Rameau - The Sound of Light

Le nozze di Figaro, K. 492: Sinfonia
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popularity: 14
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  date published: 2026-07-02T03:30:09Z
audio: Le nozze di Figaro, K. 492: Sinfonia
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Le nozze di Figaro, K. 492: Atto Primo: Cinque... dieci... venti... (No. 1, Duettino: Susanna, Figaro)
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  date published: 2026-07-02T11:38:34Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Cinque... dieci... venti... (No. 1, Duettino: Susanna, Figaro)
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Le nozze di Figaro, K. 492: Atto Secondo: Susanna or via sortite (No. 14, Terzetto: Susanna, La Contessa, Il Conte)
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  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Susanna or via sortite (No. 14, Terzetto: Susanna, La Contessa, Il Conte)
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    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.973
  additional property: Key Name
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    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Secondo: Tutto è come il lasciai (Recitativo: Il Conte, La Contessa)
type: MusicRecording
duration: PT1M17S
duration ms: 77933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Simone Kermes
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
isrc code: USSM11303832
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:05:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x33302374077ce8560f2eacbe0eb0ae6459b13be96458a8940ad228902b9f2e85
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303832
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33302374077ce8560f2eacbe0eb0ae6459b13be96458a8940ad228902b9f2e85. 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/USSM11303832.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Tutto è come il lasciai (Recitativo: Il Conte, La Contessa)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.729
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.585
  additional property: Energy
    type: PropertyValue
    value: 0.25
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.025
  additional property: Liveness
    type: PropertyValue
    value: 0.212
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.24
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.733
  additional property: Key Name
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  additional property: Mode Name
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Le nozze di Figaro, K. 492: Atto Secondo: Esci omai garzon malnato (No. 16, Finale: Il Conte, La Contessa)
type: MusicRecording
duration: PT2M34S
duration ms: 154906
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Simone Kermes
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
isrc code: USSM11303833
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:34:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa0f260d75ccfc53d3639f32fa304ea8387b8542a671f1b80ff2d8c91e1f1e303
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957050
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957050
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303833
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:41:13+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
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: 957050
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T14:41:13+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 0xa0f260d75ccfc53d3639f32fa304ea8387b8542a671f1b80ff2d8c91e1f1e303. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303833.
  date published: 2026-07-07T14:50:41Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Esci omai garzon malnato (No. 16, Finale: Il Conte, La Contessa)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.62
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.462
  additional property: Energy
    type: PropertyValue
    value: 0.347
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.674
  additional property: Liveness
    type: PropertyValue
    value: 0.443
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.565
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.342
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Secondo: Susanna, son morta: il fiato mi manca (La Contessa, Susanna, Il Conte)
type: MusicRecording
duration: PT2M58S
duration ms: 178013
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Simone Kermes
by artist: Fanie Antonelou
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
isrc code: USSM11303835
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:21:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x557bd30603d7aa0405b490d29a59438469b3060805fef296634b1bbc3f261ae8
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957048
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957048
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303835
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:18:56Z
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: 957048
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T14:18:56+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 0x557bd30603d7aa0405b490d29a59438469b3060805fef296634b1bbc3f261ae8. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/USSM11303835.
  date published: 2026-07-07T14:18:56Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Susanna, son morta: il fiato mi manca (La Contessa, Susanna, Il Conte)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.901
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.466
  additional property: Energy
    type: PropertyValue
    value: 0.328
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.053
  additional property: Liveness
    type: PropertyValue
    value: 0.611
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.391
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.688
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Secondo: Conoscete, signor Figaro (Il Conte, Figaro, La Contessa, Susanna)
type: MusicRecording
duration: PT2M15S
duration ms: 135440
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Simone Kermes
by artist: Christian Van Horn
by artist: Fanie Antonelou
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
isrc code: USSM11303837
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T10:03:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3dbeeba1c626c0ed146a2187f8e87dbc249ad59243e312a2c8a09c76a0205a63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957011
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957011
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303837
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T08:25:35+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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: 957011
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T08:25:35+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 0x3dbeeba1c626c0ed146a2187f8e87dbc249ad59243e312a2c8a09c76a0205a63. Chain 2 (Bitcoin): anchored in block 957012 (2026-07-07T08:27:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303837.
  date published: 2026-07-07T08:27:05Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Conoscete, signor Figaro (Il Conte, Figaro, La Contessa, Susanna)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.535
  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: 0.395
  additional property: Energy
    type: PropertyValue
    value: 0.174
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.337
  additional property: Liveness
    type: PropertyValue
    value: 0.644
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.337
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.505
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Primo: Non so più cosa son, cosa faccio (No. 6, Aria: Cherubino)
type: MusicRecording
duration: PT2M43S
duration ms: 163000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Mary-Ellen Nesi
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 6
genre: classical
genre: classical-era
isrc code: USSM11303809
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:15:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d0db5caede26b97385dc061f876a3fbdf419e8be2d4a7900359de208f164f42
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303809
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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: 956889
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-06T06:56:49+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 0x1d0db5caede26b97385dc061f876a3fbdf419e8be2d4a7900359de208f164f42. 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/USSM11303809.
  date published: 2026-07-06T06:56:49Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Non so più cosa son, cosa faccio (No. 6, Aria: Cherubino)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.855
  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: 0.39
  additional property: Energy
    type: PropertyValue
    value: 0.24
  additional property: Speechiness
    type: PropertyValue
    value: 0.094
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.134
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.07
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.373
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Primo: Ah son perduto! (Recitativo: Cherubino, Susanna, Il Conte, Basilio)
type: MusicRecording
duration: PT1M49S
duration ms: 109693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Fanie Antonelou
by artist: Mary-Ellen Nesi
by artist: Krystian Adam
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
isrc code: USSM11303810
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:52:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc955f8a52e91f09511577cf5ee15a5df4ecdce245089c4427345a703baeb3b10
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/USSM11303810
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
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: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+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 0xc955f8a52e91f09511577cf5ee15a5df4ecdce245089c4427345a703baeb3b10. 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/USSM11303810.
  date published: 2026-07-08T03:22:41Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Ah son perduto! (Recitativo: Cherubino, Susanna, Il Conte, Basilio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.254
  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: 0.482
  additional property: Energy
    type: PropertyValue
    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.176
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.619
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.231
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.887
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Terzo: Che imbarazzo è mai questo! (Recitativo: Il Conte)
type: MusicRecording
duration: PT1M5S
duration ms: 65440
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
isrc code: USSM11303841
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:40:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x60abfd946a61ebb47f2639b028267bf708be76180012639c87a6ee4bef386a9c
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/USSM11303841
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 0x60abfd946a61ebb47f2639b028267bf708be76180012639c87a6ee4bef386a9c. 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/USSM11303841.
  date published: 2026-07-08T03:53:27Z
audio: Le nozze di Figaro, K. 492: Atto Terzo: Che imbarazzo è mai questo! (Recitativo: Il Conte)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.481
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.572
  additional property: Energy
    type: PropertyValue
    value: 0.065
  additional property: Speechiness
    type: PropertyValue
    value: 0.171
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.187
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.87
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Le nozze di Figaro, K. 492: Atto Primo: Susanna, il ciel vi salvi (Recitativo: Basilio, Susanna, Il Conte)
type: MusicRecording
duration: PT2M10S
duration ms: 130186
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Fanie Antonelou
by artist: Krystian Adam
by artist: musicAeterna
by artist: Mary-Ellen Nesi
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
isrc code: USSM11303811
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:11:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f722992d6a97fed23ad05aa6288e02f143f987883a56f0d29c62431aad28507
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/USSM11303811
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f722992d6a97fed23ad05aa6288e02f143f987883a56f0d29c62431aad28507. 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/USSM11303811.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Susanna, il ciel vi salvi (Recitativo: Basilio, Susanna, Il Conte)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.588
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.554
  additional property: Energy
    type: PropertyValue
    value: 0.269
  additional property: Speechiness
    type: PropertyValue
    value: 0.45
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.453
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.397
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.527
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Terzo: Via fati core (Recitativo: La Contessa, Il Conte, Susanna)
type: MusicRecording
duration: PT1M39S
duration ms: 99626
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Simone Kermes
by artist: Fanie Antonelou
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
isrc code: USSM11303842
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:33:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53d0d8c8e48fbb2f0eb1c7c7611973eb348b125de3f2222c0e96880d4381c900
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/USSM11303842
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53d0d8c8e48fbb2f0eb1c7c7611973eb348b125de3f2222c0e96880d4381c900. 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/USSM11303842.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K. 492: Atto Terzo: Via fati core (Recitativo: La Contessa, Il Conte, Susanna)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 150.981
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.517
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.218
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.114
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.702
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Le nozze di Figaro, K. 492: Atto Terzo: Crudel! perchè finora (No. 17, Duettino: Susanna, Il Conte)
type: MusicRecording
duration: PT2M55S
duration ms: 175333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Fanie Antonelou
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
isrc code: USSM11303843
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:09:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x84fa69cd72aea9240b015aaa02664bc5ffedc836cc1baaf6e790c85ecce09ff8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957046
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957046
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303843
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:04:01Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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: 957046
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T14:04:01+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 0x84fa69cd72aea9240b015aaa02664bc5ffedc836cc1baaf6e790c85ecce09ff8. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303843.
  date published: 2026-07-07T14:04:01Z
audio: Le nozze di Figaro, K. 492: Atto Terzo: Crudel! perchè finora (No. 17, Duettino: Susanna, Il Conte)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 163.461
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.21
  additional property: Energy
    type: PropertyValue
    value: 0.162
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.05
  additional property: Liveness
    type: PropertyValue
    value: 0.23
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.106
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.028
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Primo: Basilio, in traccia tosto di Figaro volate (Recitativo: Il Conte, Susanna, Cherubino, Basilio)
type: MusicRecording
duration: PT0M57S
duration ms: 57613
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Fanie Antonelou
by artist: Mary-Ellen Nesi
by artist: Krystian Adam
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
isrc code: USSM11303813
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:44:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xae6ed1064d7bd5c3c06027141c22393267cbf7c8535d84615446b7dbdafc71fe
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/USSM11303813
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 0xae6ed1064d7bd5c3c06027141c22393267cbf7c8535d84615446b7dbdafc71fe. 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/USSM11303813.
  date published: 2026-07-08T03:53:27Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Basilio, in traccia tosto di Figaro volate (Recitativo: Il Conte, Susanna, Cherubino, Basilio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90
  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: 0.644
  additional property: Energy
    type: PropertyValue
    value: 0.22
  additional property: Speechiness
    type: PropertyValue
    value: 0.32
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.164
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.476
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.925
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Terzo: E perchè fosti meco (Recitativo: Il Conte, Susanna, Figaro)
type: MusicRecording
duration: PT0M59S
duration ms: 59613
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Christian Van Horn
by artist: Fanie Antonelou
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
isrc code: USSM11303844
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:36:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8cd8f82870acb765dea9d460710a5833d6b9b9f4bee67a619ca6ecbbf7fbc4e9
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/USSM11303844
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cd8f82870acb765dea9d460710a5833d6b9b9f4bee67a619ca6ecbbf7fbc4e9. 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/USSM11303844.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K. 492: Atto Terzo: E perchè fosti meco (Recitativo: Il Conte, Susanna, Figaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.744
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.56
  additional property: Energy
    type: PropertyValue
    value: 0.068
  additional property: Speechiness
    type: PropertyValue
    value: 0.224
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Le nozze di Figaro, K. 492: Atto Primo: Giovani liete fiori spargete (No. 8, Coro)
type: MusicRecording
duration: PT1M13S
duration ms: 73160
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: musicAeterna
by artist: Mary-Ellen Nesi
by artist: MusicAeterna Choir
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
isrc code: USSM11303814
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x29d20dad50b5f10483849b0cccd023b80b3798aa9dd449e751b4d82ea3dd5e27
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303814
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
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29d20dad50b5f10483849b0cccd023b80b3798aa9dd449e751b4d82ea3dd5e27. 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/USSM11303814.
  date published: 2026-07-08T03:22:41Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Giovani liete fiori spargete (No. 8, Coro)
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  additional property: Musical Key
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Le nozze di Figaro, K. 492: Atto Primo: Cos'è questa commedia? (Recitativo: Il Conte, Figaro, Susanna)
type: MusicRecording
duration: PT1M27S
duration ms: 87160
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Christian Van Horn
by artist: Fanie Antonelou
by artist: musicAeterna
by artist: Mary-Ellen Nesi
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
isrc code: USSM11303815
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  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/USSM11303815
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
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87f1a7132197dc677ec055f354a792982d3eda0c10056debefef372c9d71d0f8. 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/USSM11303815.
  date published: 2026-07-08T03:22:41Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Cos'è questa commedia? (Recitativo: Il Conte, Figaro, Susanna)
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  additional property: Tempo (BPM)
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    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.344
  additional property: Key Name
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Le nozze di Figaro, K. 492: Atto Primo: Giovani liete fiori spargete (No. 9, Coro)
type: MusicRecording
duration: PT0M57S
duration ms: 57373
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: musicAeterna
by artist: Mary-Ellen Nesi
by artist: MusicAeterna Choir
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
isrc code: USSM11303816
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x2f87b66f9894e1a23026fb1f32615618b7cc245a1261670dcb256357befe0807
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303816
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
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f87b66f9894e1a23026fb1f32615618b7cc245a1261670dcb256357befe0807. 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/USSM11303816.
  date published: 2026-07-08T03:53:27Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Giovani liete fiori spargete (No. 9, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.512
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.273
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: 0.287
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.385
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  additional property: Mode Name
    type: PropertyValue
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Le nozze di Figaro, K. 492: Atto Terzo: È decisa la lite (Recitativo: Don Curzio, Marcellina, Figaro, Il Conte, Bartolo)
type: MusicRecording
duration: PT2M18S
duration ms: 138773
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Christian Van Horn
by artist: Nikolai Loskutkin
by artist: Krystian Adam
by artist: James Elliott
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
isrc code: USSM11303847
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T04:37:13+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303847
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42a3effab17aa8d4a246e2eccdc9db203fcd80a903899505c7edae49e4c613ea. 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/USSM11303847.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K. 492: Atto Terzo: È decisa la lite (Recitativo: Don Curzio, Marcellina, Figaro, Il Conte, Bartolo)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.47
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.567
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.291
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.332
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Le nozze di Figaro, K. 492: Atto Primo: Evviva! (Recitativo: Figaro, Susanna, Basilio, Cherubino, Il Conte)
type: MusicRecording
duration: PT1M10S
duration ms: 70880
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Christian Van Horn
by artist: Fanie Antonelou
by artist: Mary-Ellen Nesi
by artist: Krystian Adam
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
isrc code: USSM11303817
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:40:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0fd3180bc3e70c0d2d5f61db0ef2562f2c39ff274ea36044b01d5ca454db0493
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303817
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fd3180bc3e70c0d2d5f61db0ef2562f2c39ff274ea36044b01d5ca454db0493. 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/USSM11303817.
  date published: 2026-07-08T03:53:27Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Evviva! (Recitativo: Figaro, Susanna, Basilio, Cherubino, Il Conte)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.654
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.273
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.504
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.736
  additional property: Key Name
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Le nozze di Figaro, K. 492: Atto Terzo: Riconosci in questo amplesso (No. 19, Sestetto: Susanna, Marcellina, Don Curzio, Il Conte, Bartolo, Figaro)
type: MusicRecording
duration: PT5M42S
duration ms: 342640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Christian Van Horn
by artist: Fanie Antonelou
by artist: Maria Forsstrom
by artist: Nikolai Loskutkin
by artist: James Elliott
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
isrc code: USSM11303848
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:43:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x763f905467d1e5e0382f73725999a7afbad84ceba9504d59218666b84ad52090
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303848
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 0x763f905467d1e5e0382f73725999a7afbad84ceba9504d59218666b84ad52090. 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/USSM11303848.
  date published: 2026-07-08T03:22:41Z
audio: Le nozze di Figaro, K. 492: Atto Terzo: Riconosci in questo amplesso (No. 19, Sestetto: Susanna, Marcellina, Don Curzio, Il Conte, Bartolo, Figaro)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.408
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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    value: 0.295
  additional property: Energy
    type: PropertyValue
    value: 0.175
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.145
  additional property: Liveness
    type: PropertyValue
    value: 0.148
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.163
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.104
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Primo: Non più andrai farfallone amoroso (No. 10, Aria: Figaro)
type: MusicRecording
duration: PT4M8S
duration ms: 248453
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Christian Van Horn
by artist: Mary-Ellen Nesi
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 7
genre: classical
genre: classical-era
isrc code: USSM11303818
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T04:33:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f84b100948f1d9b567c6ed1aa0ca183d1a08115a56be443fe84a050b80e2a33
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303818
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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: 956889
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-06T06:56:49+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 0x2f84b100948f1d9b567c6ed1aa0ca183d1a08115a56be443fe84a050b80e2a33. 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/USSM11303818.
  date published: 2026-07-06T06:56:49Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Non più andrai farfallone amoroso (No. 10, Aria: Figaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.021
  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: 0.525
  additional property: Energy
    type: PropertyValue
    value: 0.307
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.062
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.509
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.151
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Secondo: Porgi amor qualche ristoro (No. 11, Cavatina: La Contessa)
type: MusicRecording
duration: PT3M21S
duration ms: 201293
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Simone Kermes
by artist: musicAeterna
by artist: Mary-Ellen Nesi
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 7
genre: classical
genre: classical-era
isrc code: USSM11303820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T04:49:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc88cfa97897aec788d27f3cd63c5f6037680057508efb368f10cdea1d869e248
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303820
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49+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: 956889
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-06T06:56:49+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 0xc88cfa97897aec788d27f3cd63c5f6037680057508efb368f10cdea1d869e248. 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/USSM11303820.
  date published: 2026-07-06T07:16:32Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Porgi amor qualche ristoro (No. 11, Cavatina: La Contessa)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.724
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.138
  additional property: Energy
    type: PropertyValue
    value: 0.034
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.601
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.055
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.08
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Secondo: Vieni, cara Susanna (Recitativo: La Contessa, Susanna, Figaro)
type: MusicRecording
duration: PT3M51S
duration ms: 231013
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Simone Kermes
by artist: Christian Van Horn
by artist: Fanie Antonelou
by artist: musicAeterna
by artist: Mary-Ellen Nesi
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
isrc code: USSM11303821
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:41:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x939e235a93c0da19f7d8b198a50a1bec624f2801f70e457f8bff9aeb01f50214
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/USSM11303821
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x939e235a93c0da19f7d8b198a50a1bec624f2801f70e457f8bff9aeb01f50214. 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/USSM11303821.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Vieni, cara Susanna (Recitativo: La Contessa, Susanna, Figaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.184
  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: 0.56
  additional property: Energy
    type: PropertyValue
    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.296
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.263
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.362
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.529
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492: Atto Primo: Se a caso madama la notte ti chiama (No. 2, Duettino: Susanna, Figaro)
type: MusicRecording
duration: PT2M41S
duration ms: 161933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Christian Van Horn
by artist: Fanie Antonelou
by artist: musicAeterna
by artist: Mary-Ellen Nesi
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 7
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 0x9c7263a02482dd152f5f6176d66db909cdc926b2eed2f79dae90aacf280a0789. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T19:38:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303800.
  date published: 2026-07-22T19:38:47Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Se a caso madama la notte ti chiama (No. 2, Duettino: Susanna, Figaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.372
  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: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.143
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.367
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.019
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USSM11303800
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: 959155
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T16:43:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303800
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959155
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959155
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T16:43:41+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

Le nozze di Figaro, K. 492: Atto Secondo: Che novità (Recitativo: Il Conte, La Contessa)
type: MusicRecording
duration: PT1M18S
duration ms: 78613
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Simone Kermes
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x482d99a2c1f8f7891b5c25049362499e0eaf470255eb30b58ba51ab0116d8249. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303827.
  date published: 2026-07-30T07:28:30Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Che novità (Recitativo: Il Conte, La Contessa)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.907
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.614
  additional property: Energy
    type: PropertyValue
    value: 0.102
  additional property: Speechiness
    type: PropertyValue
    value: 0.355
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.165
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.32
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.777
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USSM11303827
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: 960220
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T07:28:30+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303827
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960220
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:28:30+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

Le nozze di Figaro, K. 492: Atto Primo: Cosa stai misurando (Recitativo: Susanna, Figaro)
type: MusicRecording
duration: PT0M44S
duration ms: 44520
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Christian Van Horn
by artist: Fanie Antonelou
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 6
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbe7282b0bfe645929efb7a673dd8835f49c5aeda516b7f7ab2190f1858f46a4. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303799.
  date published: 2026-07-29T15:38:18Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Cosa stai misurando (Recitativo: Susanna, Figaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.473
  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: 0.603
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.392
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.233
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.458
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.074
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USSM11303799
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960125
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T15:38:18+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303799
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960125
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960125
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T15:38:18+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Secondo: Dunque voi non aprite? (Recitativo: Il Conte, La Contessa)
type: MusicRecording
duration: PT0M53S
duration ms: 53160
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Simone Kermes
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94b6ce6d9c4ce9b94e55d283909d496f8e5c3f3239a2a26412193856d5788f4f. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303829.
  date published: 2026-07-30T07:28:30Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Dunque voi non aprite? (Recitativo: Il Conte, La Contessa)
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: USSM11303829
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:28:30+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

Le nozze di Figaro, K. 492: Atto Secondo: Aprite presto aprite (No. 15, Duettino: Susanna, Cherubino)
type: MusicRecording
duration: PT0M54S
duration ms: 54933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Fanie Antonelou
by artist: Mary-Ellen Nesi
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b2708078d42d939e2ed8ce0774322f3001dbc8def3aa54d6a9a3c120848494. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303830.
  date published: 2026-07-29T22:48:59Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Aprite presto aprite (No. 15, Duettino: Susanna, Cherubino)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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isrc code: USSM11303830
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303830
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960160
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T22:48:59+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Primo: Or bene; ascolta, e taci! (Recitativo: Susanna, Figaro)
type: MusicRecording
duration: PT1M50S
duration ms: 110373
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Christian Van Horn
by artist: Mary-Ellen Nesi
by artist: Fanie Antonelou
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 6
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd1138720a3073c6060f0884d3c942dda1d90bc1c9485547c007f0124d5a8608. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303801.
  date published: 2026-07-29T13:09:35Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Or bene; ascolta, e taci! (Recitativo: Susanna, Figaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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isrc code: USSM11303801
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303801
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960108
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:09:35+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Primo: Bravo signor padrone! (Recitativo: Figaro)
type: MusicRecording
duration: PT0M49S
duration ms: 49480
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Christian Van Horn
by artist: musicAeterna
by artist: Mary-Ellen Nesi
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 5
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5174e11dc5db4daea55f7034e610a50949cea503e4d42418d201cb40496c0103. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303802.
  date published: 2026-07-29T14:28:24Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Bravo signor padrone! (Recitativo: Figaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: USSM11303802
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T14:28:24+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Primo: Se vuol ballare signor Contino (No. 3, Cavatina: Figaro)
type: MusicRecording
duration: PT2M40S
duration ms: 160280
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Christian Van Horn
by artist: musicAeterna
by artist: Mary-Ellen Nesi
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 7
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87cfa3508c3dbc4a3d52d4dc9e2713ac8e7b32b48f264f25c1c6b91d62b6d5e4. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303803.
  date published: 2026-07-29T19:35:34Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Se vuol ballare signor Contino (No. 3, Cavatina: Figaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.705
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Mode Name
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isrc code: USSM11303803
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Primo: Ed aspettaste il giorno fissato a le sue nozze (Recitativo: Bartolo, Marcellina)
type: MusicRecording
duration: PT1M9S
duration ms: 69346
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Maria Forsstrom
by artist: Mary-Ellen Nesi
by artist: Nikolai Loskutkin
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 5
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001922eb23fb77e5a99a2d86602a5b736b070a501feb931d86a2f22490dc60dc. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303804.
  date published: 2026-07-29T19:35:34Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Ed aspettaste il giorno fissato a le sue nozze (Recitativo: Bartolo, Marcellina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.438
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.087
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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isrc code: USSM11303804
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303804
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Secondo: Signore, cos'è quel stupore? (Susanna, Il Conte, La Contessa)
type: MusicRecording
duration: PT1M29S
duration ms: 89306
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Simone Kermes
by artist: Fanie Antonelou
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
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  date published: 2026-07-29T19:35:34Z
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Le nozze di Figaro, K. 492: Atto Primo: La vendetta, oh la vendetta (No. 4, Aria: Bartolo)
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  date published: 2026-07-29T13:09:35Z
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Le nozze di Figaro, K. 492: Atto Primo: Tutto ancor non ho perso (Recitativo: Marcellina, Susanna)
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Le nozze di Figaro, K. 492: Atto Secondo: Signori, di fuori son gia i suonatori (Figaro, Il Conte, La Contessa, Susanna)
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  date published: 2026-07-30T00:11:40Z
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Le nozze di Figaro, K. 492: Atto Primo: Via, resti servita, madama brillante (No. 5, Duettino: Susanna, Marcellina)
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  date published: 2026-07-29T11:30:20Z
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Le nozze di Figaro, K. 492: Atto Primo: Va' là, vecchia pedante (Recitativo: Susanna, Cherubino)
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  date published: 2026-07-30T04:47:22Z
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Le nozze di Figaro, K. 492: Atto Secondo: Ah signor... signor... Cosa è stato ... Vostre dunque saran... (Antonio, Il Conte, La Contessa, Susanna, Figaro)
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popularity: 4
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  date published: 2026-07-29T22:13:32Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Ah signor... signor... Cosa è stato ... Vostre dunque saran... (Antonio, Il Conte, La Contessa, Susanna, Figaro)
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Secondo: Voi signor, che giusto siete ... Son confusa, son stordita (Marcellina, Basilio, Bartolo, Il Conte, La Contessa, Figaro, Susanna)
type: MusicRecording
duration: PT3M48S
duration ms: 228840
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Simone Kermes
by artist: Christian Van Horn
by artist: Fanie Antonelou
by artist: Maria Forsstrom
by artist: Nikolai Loskutkin
by artist: Krystian Adam
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 5
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6bb697002930b8f194a4181054368bace16bebd0752336a7c075d28255c63a0. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303839.
  date published: 2026-07-29T19:35:34Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Voi signor, che giusto siete ... Son confusa, son stordita (Marcellina, Basilio, Bartolo, Il Conte, La Contessa, Figaro, Susanna)
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additional property: CopyrightID
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Primo: Cosa sento! tosto andate (No. 7, Terzetto: Susanna, Basilio, Il Conte)
type: MusicRecording
duration: PT4M9S
duration ms: 249573
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: Fanie Antonelou
by artist: Krystian Adam
by artist: musicAeterna
by artist: Mary-Ellen Nesi
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 5
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17534c211f552919babd93e5fb671fed99cc22c45924d48e1d32e5403db69334. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303812.
  date published: 2026-07-29T13:09:35Z
audio: Le nozze di Figaro, K. 492: Atto Primo: Cosa sento! tosto andate (No. 7, Terzetto: Susanna, Basilio, Il Conte)
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Terzo: Hai già vinta la causa! (No. 18, Recitativo: Il Conte)
type: MusicRecording
duration: PT1M17S
duration ms: 77533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e5707ecab3c145fc43c9714d3be52224bcb74d817a451a770bba267dd006556. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303845.
  date published: 2026-07-30T14:36:16Z
audio: Le nozze di Figaro, K. 492: Atto Terzo: Hai già vinta la causa! (No. 18, Recitativo: Il Conte)
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  additional property: Danceability
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isrc code: USSM11303845
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16+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

Le nozze di Figaro, K. 492: Atto Terzo: Vedrò mentre io sospiro (No. 18, Aria: Il Conte)
type: MusicRecording
duration: PT3M26S
duration ms: 206173
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Andrei Bondarenko
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x926f436142437e6a03cd682b8e330048056afe4060c31e8172e9e64afed756a8. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303846.
  date published: 2026-07-29T19:35:34Z
audio: Le nozze di Figaro, K. 492: Atto Terzo: Vedrò mentre io sospiro (No. 18, Aria: Il Conte)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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isrc code: USSM11303846
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Secondo: Quanto duolmi, Susanna (Recitativo: La Contessa, Susanna, Cherubino)
type: MusicRecording
duration: PT1M27S
duration ms: 87733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Simone Kermes
by artist: Fanie Antonelou
by artist: Mary-Ellen Nesi
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f6e03d16fe795d50ea81ae4fb2f66de7ef5f999076b7ee01842f197e81d9b73. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303822.
  date published: 2026-07-30T12:45:34Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Quanto duolmi, Susanna (Recitativo: La Contessa, Susanna, Cherubino)
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  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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additional property: CopyrightID
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additional property: ContentHash
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Secondo: Voi che sapete che cosa è amor (No. 12, Arietta: Cherubino)
type: MusicRecording
duration: PT2M57S
duration ms: 177826
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Mary-Ellen Nesi
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 6
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fccc15e91d53da6fefc97122f507c6cc9b093f5d570cb6ae43cea867f1277dd. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303823.
  date published: 2026-07-29T19:35:34Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Voi che sapete che cosa è amor (No. 12, Arietta: Cherubino)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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isrc code: USSM11303823
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Secondo: Bravo! che bella voce! (Recitativo: La Contessa, Susanna, Cherubino)
type: MusicRecording
duration: PT1M8S
duration ms: 68333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Simone Kermes
by artist: Fanie Antonelou
by artist: Mary-Ellen Nesi
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2adc7daa31cdb07a13b472224e8730940596e642a7199e73eaf9762dee2e9fb. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303824.
  date published: 2026-07-30T09:58:01Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Bravo! che bella voce! (Recitativo: La Contessa, Susanna, Cherubino)
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    value: 5
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: USSM11303824
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:58:01+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

Le nozze di Figaro, K. 492: Atto Secondo: Venite, inginocchiatevi (No. 13, Aria: Susanna)
type: MusicRecording
duration: PT2M30S
duration ms: 150706
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Fanie Antonelou
by artist: musicAeterna
by artist: Mary-Ellen Nesi
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 4
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8145ce786ee471be88acf5cd035f6a29f5d82732c405ddd2622829715245246. 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/USSM11303825.
  date published: 2026-07-30T06:39:12Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Venite, inginocchiatevi (No. 13, Aria: Susanna)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le nozze di Figaro, K. 492: Atto Secondo: Quante buffonerie! (Recitativo: La Contessa, Susanna, Cherubino [Il Conte])
type: MusicRecording
duration: PT2M53S
duration ms: 173013
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
by artist: Simone Kermes
by artist: Fanie Antonelou
by artist: Mary-Ellen Nesi
by artist: musicAeterna
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 2014-02-14
popularity: 3
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f1bebed52ec7f84933ae249b0597ca0d3146b2f41ffa771790da544c37e9eb0. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303826.
  date published: 2026-07-30T14:36:16Z
audio: Le nozze di Figaro, K. 492: Atto Secondo: Quante buffonerie! (Recitativo: La Contessa, Susanna, Cherubino [Il Conte])
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Key Name
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isrc code: USSM11303826
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Violin Concerto in D Major, Op. 35, TH 59: I. Allegro moderato
type: MusicRecording
duration: PT17M30S
duration ms: 1050986
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Patricia Kopatchinskaja
by artist: Teodor Currentzis
by artist: musicAeterna
in album: Tchaikovsky: Violin Concerto, Op. 35, TH 59 - Stravinsky: Les noces
  type: MusicAlbum
  date published: 2016-01-08
popularity: 15
isrc code: USSM11507778
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11507778
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52d2693f234cfbe0020eb7aeaa03b75ba007b142748d28a6c3cb9a7d6f1eab9a. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11507778.
  date published: 2026-07-02T11:38:34Z
audio: Violin Concerto in D Major, Op. 35, TH 59: I. Allegro moderato
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Danceability
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Les Noces: Scene 3: The Departure of the Bride
type: MusicRecording
duration: PT2M47S
duration ms: 167813
explicit: false
by artist: Igor Stravinsky
by artist: Teodor Currentzis
by artist: musicAeterna
by artist: Nadine Koutcher
by artist: Natalya Buklaga
by artist: Stanislav Leontieff
by artist: Vasiliy Korostelev
by artist: Mikhail Mordvinov
by artist: Artem Abashev
by artist: Alexander Osminin
by artist: Oxana Pislegina
by artist: Nikolai Dulskiy
by artist: Roman Romashkin
by artist: Igor Grishkin
by artist: Andrey Nikitin
by artist: Vladislav Osipov
by artist: Vadim Yashin
by artist: Alibek Kabdurakhmanov
in album: Tchaikovsky: Violin Concerto, Op. 35, TH 59 - Stravinsky: Les noces
  type: MusicAlbum
  date published: 2016-01-08
popularity: 4
isrc code: USSM11507784
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:34:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xff82d861f1edd4c7e8c236a210985966847612f60f66c54a2e6289edb76c2f07
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11507784
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
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff82d861f1edd4c7e8c236a210985966847612f60f66c54a2e6289edb76c2f07. 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/USSM11507784.
  date published: 2026-07-08T03:53:27Z
audio: Les Noces: Scene 3: The Departure of the Bride
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Les Noces: Scene 4: The Wedding Feast
type: MusicRecording
duration: PT9M51S
duration ms: 591840
explicit: false
by artist: Igor Stravinsky
by artist: Teodor Currentzis
by artist: musicAeterna
by artist: Nadine Koutcher
by artist: Natalya Buklaga
by artist: Stanislav Leontieff
by artist: Vasiliy Korostelev
by artist: Mikhail Mordvinov
by artist: Artem Abashev
by artist: Alexander Osminin
by artist: Oxana Pislegina
by artist: Nikolai Dulskiy
by artist: Roman Romashkin
by artist: Igor Grishkin
by artist: Andrey Nikitin
by artist: Vladislav Osipov
by artist: Vadim Yashin
by artist: Alibek Kabdurakhmanov
in album: Tchaikovsky: Violin Concerto, Op. 35, TH 59 - Stravinsky: Les noces
  type: MusicAlbum
  date published: 2016-01-08
popularity: 4
isrc code: USSM11507785
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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Violin Concerto in D Major, Op. 35, TH 59: III. Finale. Allegro vivacissimo
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Violin Concerto in D Major, Op. 35, TH 59: II. Canzonetta. Andante
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Les Noces: Scene 1: The Tresses (At the Brides's House)
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Les Noces: Scene 2: At the Bridegroom's House
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: È la fede delle femmine (No. 2, Terzetto: Ferrando, Don Alfonso, Guglielmo)
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Si può sapere un poco (Recitativo: Don Alfonso, Guglielmo, Ferrando)
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Scioccherie di poeti! (Recitativo: Ferrando, Guglielmo, Don Alfonso)
type: MusicRecording
duration: PT1M19S
duration ms: 79360
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 2014-11-14
popularity: 5
genre: classical
genre: classical-era
isrc code: USSM11405469
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11405469
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b059a57f9c9a208f9b9eeff4404724edaedef2275cc671416877ed8c50cded3. 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/USSM11405469.
  date published: 2026-07-08T03:22:41Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Scioccherie di poeti! (Recitativo: Ferrando, Guglielmo, Don Alfonso)
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Un'aura amorosa (No. 17, Aria: Ferrando)
type: MusicRecording
duration: PT5M3S
duration ms: 303386
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 2014-11-14
popularity: 4
genre: classical
genre: classical-era
isrc code: USSM11405499
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11405499
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 0xe4c5565dfe726fdc5a7dcef1016c73cfd094c422f400c9ec54ce6652fed310ca. 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/USSM11405499.
  date published: 2026-07-08T03:20:19Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Un'aura amorosa (No. 17, Aria: Ferrando)
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  additional property: Tempo (BPM)
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    value: 109.466
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Oh la saria da ridere (Recitativo: Don Alfonso, Despina)
type: MusicRecording
duration: PT2M21S
duration ms: 141426
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 2014-11-14
popularity: 2
genre: classical
genre: classical-era
isrc code: USSM11405500
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:41:03+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xc7f9bc9f6cc269646ab7a4500636d9bfcd2ed1ccdd88bd0b3f9693cff4d21a9a
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11405500
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 0xc7f9bc9f6cc269646ab7a4500636d9bfcd2ed1ccdd88bd0b3f9693cff4d21a9a. 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/USSM11405500.
  date published: 2026-07-08T03:20:19Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Oh la saria da ridere (Recitativo: Don Alfonso, Despina)
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  additional property: Tempo (BPM)
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    value: 127.537
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.556
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Ah guarda, sorella (No. 4, Duetto: Fiordiligi, Dorabella)
type: MusicRecording
duration: PT5M9S
duration ms: 309640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 2014-11-14
popularity: 5
genre: classical
genre: classical-era
isrc code: USSM11405471
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T11:09:07+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xe9422cc32e3a316feb17389d701bef2af5d82ec09430418f35d8223b4dea2c20
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957064
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11405471
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:43:08Z
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 0xe9422cc32e3a316feb17389d701bef2af5d82ec09430418f35d8223b4dea2c20. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/USSM11405471.
  date published: 2026-07-07T16:43:08Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Ah guarda, sorella (No. 4, Duetto: Fiordiligi, Dorabella)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.423
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.227
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.049
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.098
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.495
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Stelle! Per carità, signor Alfonso (Recitativo: Fiordiligi, Don Alfonso, Dorabella)
type: MusicRecording
duration: PT1M5S
duration ms: 65106
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 2014-11-14
popularity: 4
genre: classical
genre: classical-era
isrc code: USSM11405474
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x835b150810de95d7f8fb1371d493f434e1ea12e1c1ce74cb600b7e990de4f40f
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11405474
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 0x835b150810de95d7f8fb1371d493f434e1ea12e1c1ce74cb600b7e990de4f40f. 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/USSM11405474.
  date published: 2026-07-08T03:20:19Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Stelle! Per carità, signor Alfonso (Recitativo: Fiordiligi, Don Alfonso, Dorabella)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 160.297
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.455
  additional property: Energy
    type: PropertyValue
    value: 0.086
  additional property: Speechiness
    type: PropertyValue
    value: 0.344
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.24
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.26
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.271
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  additional property: Mode Name
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    value: Major

Così fan tutte ossia La scuola degli amanti, K. 588: Atto Secondo: Andate là, che siete (Recitativo: Despina, Fiordiligi, Dorabella)
type: MusicRecording
duration: PT3M16S
duration ms: 196373
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 2014-11-14
popularity: 2
genre: classical
genre: classical-era
isrc code: USSM11405508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T10:51:38+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xf35e5d043678aa1342f2d1ab1bbb72a0fff4cb1ffa939ca9b0036741978e3835
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/USSM11405508
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 0xf35e5d043678aa1342f2d1ab1bbb72a0fff4cb1ffa939ca9b0036741978e3835. 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/USSM11405508.
  date published: 2026-07-08T03:53:27Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Secondo: Andate là, che siete (Recitativo: Despina, Fiordiligi, Dorabella)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.457
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.502
  additional property: Energy
    type: PropertyValue
    value: 0.081
  additional property: Speechiness
    type: PropertyValue
    value: 0.198
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.436
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.181
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.809
  additional property: Key Name
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  additional property: Mode Name
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: La commedia è graziosa (Recitativo: Don Alfonso, Ferrando, Fiordiligi, Dorabella)
type: MusicRecording
duration: PT0M43S
duration ms: 43626
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Teodor Currentzis
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 2014-11-14
popularity: 3
genre: classical
genre: classical-era
isrc code: USSM11405478
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x9635112aad101ae11552dc7e957637ba6cac50710bb411fb363d128fb8e20c5d
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/USSM11405478
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
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  date published: 2026-07-08T03:22:41Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: La commedia è graziosa (Recitativo: Don Alfonso, Ferrando, Fiordiligi, Dorabella)
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Secondo: Prenderò quel brunettino (No. 20, Duetto: Fiordiligi, Dorabella)
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  date published: 2026-07-08T03:22:41Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Secondo: Prenderò quel brunettino (No. 20, Duetto: Fiordiligi, Dorabella)
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Di scrivermi ogni giorno (Recitativo: Fiordiligi, Dorabella, Ferrando, Guglielmo, Don Alfonso)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T11:02:43Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Di scrivermi ogni giorno (Recitativo: Fiordiligi, Dorabella, Ferrando, Guglielmo, Don Alfonso)
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Bella vita militar! (No. 9, Coro)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Bella vita militar! (No. 9, Coro)
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Soave sia il vento (No. 10, Terzettino: Fiordiligi, Dorabella, Don Alfonso)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Soave sia il vento (No. 10, Terzettino: Fiordiligi, Dorabella, Don Alfonso)
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Non son cattivo comico! - Nel mare solca (Recitativo: Don Alfonso)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Non son cattivo comico! - Nel mare solca (Recitativo: Don Alfonso)
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Smanie implacabili che m'agitate (No. 11, Aria: Dorabella)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T00:53:02Z
audio: Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Smanie implacabili che m'agitate (No. 11, Aria: Dorabella)
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Così fan tutte ossia La scuola degli amanti, K. 588: Atto Primo: Che silenzio! Che aspetto di tristezza (Recitativo: Don Alfonso, Despina)
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Mozart: Le nozze di Figaro, K. 492
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date published: 2014-02-14
track: Le nozze di Figaro, K. 492: Sinfonia
track: Le nozze di Figaro, K. 492: Atto Primo: Cinque... dieci... venti... (No. 1, Duettino: Susanna, Figaro)
track: Le nozze di Figaro, K. 492: Atto Secondo: Susanna or via sortite (No. 14, Terzetto: Susanna, La Contessa, Il Conte)
track: Le nozze di Figaro, K. 492: Atto Secondo: Tutto è come il lasciai (Recitativo: Il Conte, La Contessa)
track: Le nozze di Figaro, K. 492: Atto Secondo: Esci omai garzon malnato (No. 16, Finale: Il Conte, La Contessa)
track: Le nozze di Figaro, K. 492: Atto Secondo: Susanna, son morta: il fiato mi manca (La Contessa, Susanna, Il Conte)
track: Le nozze di Figaro, K. 492: Atto Secondo: Conoscete, signor Figaro (Il Conte, Figaro, La Contessa, Susanna)
track: Le nozze di Figaro, K. 492: Atto Primo: Non so più cosa son, cosa faccio (No. 6, Aria: Cherubino)
track: Le nozze di Figaro, K. 492: Atto Primo: Ah son perduto! (Recitativo: Cherubino, Susanna, Il Conte, Basilio)
track: Le nozze di Figaro, K. 492: Atto Terzo: Che imbarazzo è mai questo! (Recitativo: Il Conte)
track: Le nozze di Figaro, K. 492: Atto Primo: Susanna, il ciel vi salvi (Recitativo: Basilio, Susanna, Il Conte)
track: Le nozze di Figaro, K. 492: Atto Terzo: Via fati core (Recitativo: La Contessa, Il Conte, Susanna)
track: Le nozze di Figaro, K. 492: Atto Terzo: Crudel! perchè finora (No. 17, Duettino: Susanna, Il Conte)
track: Le nozze di Figaro, K. 492: Atto Primo: Basilio, in traccia tosto di Figaro volate (Recitativo: Il Conte, Susanna, Cherubino, Basilio)
track: Le nozze di Figaro, K. 492: Atto Terzo: E perchè fosti meco (Recitativo: Il Conte, Susanna, Figaro)
track: Le nozze di Figaro, K. 492: Atto Primo: Giovani liete fiori spargete (No. 8, Coro)
track: Le nozze di Figaro, K. 492: Atto Primo: Cos'è questa commedia? (Recitativo: Il Conte, Figaro, Susanna)
track: Le nozze di Figaro, K. 492: Atto Primo: Giovani liete fiori spargete (No. 9, Coro)
track: Le nozze di Figaro, K. 492: Atto Terzo: È decisa la lite (Recitativo: Don Curzio, Marcellina, Figaro, Il Conte, Bartolo)
track: Le nozze di Figaro, K. 492: Atto Primo: Evviva! (Recitativo: Figaro, Susanna, Basilio, Cherubino, Il Conte)
track: Le nozze di Figaro, K. 492: Atto Terzo: Riconosci in questo amplesso (No. 19, Sestetto: Susanna, Marcellina, Don Curzio, Il Conte, Bartolo, Figaro)
track: Le nozze di Figaro, K. 492: Atto Primo: Non più andrai farfallone amoroso (No. 10, Aria: Figaro)
track: Le nozze di Figaro, K. 492: Atto Secondo: Porgi amor qualche ristoro (No. 11, Cavatina: La Contessa)
track: Le nozze di Figaro, K. 492: Atto Secondo: Vieni, cara Susanna (Recitativo: La Contessa, Susanna, Figaro)
track: Le nozze di Figaro, K. 492: Atto Primo: Se a caso madama la notte ti chiama (No. 2, Duettino: Susanna, Figaro)
track: Le nozze di Figaro, K. 492: Atto Secondo: Che novità (Recitativo: Il Conte, La Contessa)
track: Le nozze di Figaro, K. 492: Atto Primo: Cosa stai misurando (Recitativo: Susanna, Figaro)
track: Le nozze di Figaro, K. 492: Atto Secondo: Dunque voi non aprite? (Recitativo: Il Conte, La Contessa)
track: Le nozze di Figaro, K. 492: Atto Secondo: Aprite presto aprite (No. 15, Duettino: Susanna, Cherubino)
track: Le nozze di Figaro, K. 492: Atto Primo: Or bene; ascolta, e taci! (Recitativo: Susanna, Figaro)
track: Le nozze di Figaro, K. 492: Atto Primo: Bravo signor padrone! (Recitativo: Figaro)
track: Le nozze di Figaro, K. 492: Atto Primo: Se vuol ballare signor Contino (No. 3, Cavatina: Figaro)
track: Le nozze di Figaro, K. 492: Atto Primo: Ed aspettaste il giorno fissato a le sue nozze (Recitativo: Bartolo, Marcellina)
track: Le nozze di Figaro, K. 492: Atto Secondo: Signore, cos'è quel stupore? (Susanna, Il Conte, La Contessa)
track: Le nozze di Figaro, K. 492: Atto Primo: La vendetta, oh la vendetta (No. 4, Aria: Bartolo)
track: Le nozze di Figaro, K. 492: Atto Primo: Tutto ancor non ho perso (Recitativo: Marcellina, Susanna)
track: Le nozze di Figaro, K. 492: Atto Secondo: Signori, di fuori son gia i suonatori (Figaro, Il Conte, La Contessa, Susanna)
track: Le nozze di Figaro, K. 492: Atto Primo: Via, resti servita, madama brillante (No. 5, Duettino: Susanna, Marcellina)
track: Le nozze di Figaro, K. 492: Atto Primo: Va' là, vecchia pedante (Recitativo: Susanna, Cherubino)
track: Le nozze di Figaro, K. 492: Atto Secondo: Ah signor... signor... Cosa è stato ... Vostre dunque saran... (Antonio, Il Conte, La Contessa, Susanna, Figaro)
track: Le nozze di Figaro, K. 492: Atto Secondo: Voi signor, che giusto siete ... Son confusa, son stordita (Marcellina, Basilio, Bartolo, Il Conte, La Contessa, Figaro, Susanna)
track: Le nozze di Figaro, K. 492: Atto Primo: Cosa sento! tosto andate (No. 7, Terzetto: Susanna, Basilio, Il Conte)
track: Le nozze di Figaro, K. 492: Atto Terzo: Hai già vinta la causa! (No. 18, Recitativo: Il Conte)
track: Le nozze di Figaro, K. 492: Atto Terzo: Vedrò mentre io sospiro (No. 18, Aria: Il Conte)
track: Le nozze di Figaro, K. 492: Atto Secondo: Quanto duolmi, Susanna (Recitativo: La Contessa, Susanna, Cherubino)
track: Le nozze di Figaro, K. 492: Atto Secondo: Voi che sapete che cosa è amor (No. 12, Arietta: Cherubino)
track: Le nozze di Figaro, K. 492: Atto Secondo: Bravo! che bella voce! (Recitativo: La Contessa, Susanna, Cherubino)
track: Le nozze di Figaro, K. 492: Atto Secondo: Venite, inginocchiatevi (No. 13, Aria: Susanna)
track: Le nozze di Figaro, K. 492: Atto Secondo: Quante buffonerie! (Recitativo: La Contessa, Susanna, Cherubino [Il Conte])

Tchaikovsky: Violin Concerto, Op. 35, TH 59 - Stravinsky: Les noces
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Les Indes galantes, RCT 44, Troisième entrée, Les fleurs, Scène VIII: Ballet des fleurs - Orage
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Zoroastre, RCT 62, Act I, Scène III: Air tendre en rendeau
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subject of: OpenTimestamps Proof of Existence
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Platée, RCT 53, Acte I, Scène VI: Orage
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Les Indes galantes, RCT 44, Nouvelle entrée, Les sauvages, Scène VI: Rondeau - Duo et choeur "Forêts paisibles"
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  date published: 2026-06-13T17:25:41Z
audio: Les Indes galantes, RCT 44, Nouvelle entrée, Les sauvages, Scène VI: Rondeau - Duo et choeur "Forêts paisibles"
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Six Concerts transcrits en Sextuor, Sixième concert: La poule
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Six Concerts transcrits en Sextuor, Sixième concert: La poule
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Platée, RCT 53, Acte II, Scène IV: Récitativ "Essayons du brillant" - Ariette "Aux langueurs d'Apollon"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Platée, RCT 53, Acte II, Scène IV: Récitativ "Essayons du brillant" - Ariette "Aux langueurs d'Apollon"
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Nais, RCT 49, Prologue, Scène V: Premier rigaudon - Deuxième rigaudon
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Nais, RCT 49, Prologue, Scène V: Premier rigaudon - Deuxième rigaudon
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Zoroastre, RCT 62: Ouverture
type: MusicRecording
duration: PT4M19S
duration ms: 259586
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by artist: Jean-Philippe Rameau
by artist: Teodor Currentzis
in album: Rameau - The Sound of Light
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  date published: 2014-10-17
popularity: 12
isrc code: USSM11404284
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc94210cf632403830d5698b4b3501e9ea5c8268f6aada841c522c739d5d91ea8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM11404284.
  date published: 2026-07-02T03:30:09Z
audio: Zoroastre, RCT 62: Ouverture
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Hippolyte et Aricie, RCT 43, Acte I, Scène I: Prélude - Air accompagné "Temple sacré, séjour tranquille"
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duration: PT2M45S
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explicit: false
by artist: Jean-Philippe Rameau
by artist: Teodor Currentzis
in album: Rameau - The Sound of Light
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  date published: 2014-10-17
popularity: 11
isrc code: USSM11404285
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11404285
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb707ed62e1346215a13e14d5d36fcf76228431ec694bc3e2fdf7e8899798459. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11404285.
  date published: 2026-07-02T05:09:12Z
audio: Hippolyte et Aricie, RCT 43, Acte I, Scène I: Prélude - Air accompagné "Temple sacré, séjour tranquille"
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Nais, RCT 49: Ouverture
type: MusicRecording
duration: PT3M55S
duration ms: 235133
explicit: false
by artist: Jean-Philippe Rameau
by artist: Teodor Currentzis
in album: Rameau - The Sound of Light
  type: MusicAlbum
  date published: 2014-10-17
popularity: 10
isrc code: USSM11404286
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11404286
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Nais, RCT 49: Ouverture
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Les Indes galantes, RCT 44, Première entrée, Le turc généreux, Scène VI: Air pour les esclaves africains
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duration: PT1M47S
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explicit: false
by artist: Jean-Philippe Rameau
by artist: Teodor Currentzis
in album: Rameau - The Sound of Light
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  date published: 2014-10-17
popularity: 11
isrc code: USSM11404288
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11404288
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
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  date published: 2026-07-02T03:55:08Z
audio: Les Indes galantes, RCT 44, Première entrée, Le turc généreux, Scène VI: Air pour les esclaves africains
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Dardanus, RCT 35, Prologue, Scène II: Premier tambourin pour les Peuples de différentes nations - Deuxième tambourin pour les Peuples de différentes nations
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duration: PT2M16S
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explicit: false
by artist: Jean-Philippe Rameau
by artist: Teodor Currentzis
in album: Rameau - The Sound of Light
  type: MusicAlbum
  date published: 2014-10-17
popularity: 10
isrc code: USSM11404289
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11404289
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6a17bf11e4f836ce171a75a0f78cb672972bfc08ae14fedbaaee7a3636ac48f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM11404289.
  date published: 2026-07-02T03:30:09Z
audio: Dardanus, RCT 35, Prologue, Scène II: Premier tambourin pour les Peuples de différentes nations - Deuxième tambourin pour les Peuples de différentes nations
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Castor et Pollux, RCT 32, Acte I, Scène III: Prélude - Air accompagné "Tristes apprêts"
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duration: PT7M33S
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by artist: Jean-Philippe Rameau
by artist: Teodor Currentzis
in album: Rameau - The Sound of Light
  type: MusicAlbum
  date published: 2014-10-17
popularity: 30
isrc code: USSM11404290
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: 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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b2c7eb4432dc583727befb5f11520e3390124a72de49f5a374dae652e8e0923. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11404290.
  date published: 2026-06-13T15:41:10Z
audio: Castor et Pollux, RCT 32, Acte I, Scène III: Prélude - Air accompagné "Tristes apprêts"
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