Regula Mühlemann
type: MusicGroup
genre: opera
description: Regula Mühlemann (born 7 January 1986) is a Swiss operatic soprano. Biography Mühlemann was born in Adligenswil, Switzerland, and studied voice with Barbara Locher at the Academy of Music in Lucerne
popularity: 21
followers: 4261
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album: Mozart: Le nozze di Figaro, K.492
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      date published: 2026-07-02T03:55:08Z
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  track: Le nozze di Figaro, K.492 / Act 1: N. 1. Duettino: “Cinque… dieci… venti… trenta”
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      date published: 2026-07-02T03:30:09Z
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  track: Le nozze di Figaro, K.492 / Act 1: Recitativo: “Cosa stai misurando”
  track: Le nozze di Figaro, K.492 / Act 1: N. 2. Duettino: “Se a caso Madama la notte ti chiama”
  track: Le nozze di Figaro, K.492 / Act 1: Recitativo: “Or bene, ascolta, e taci”
  track: Le nozze di Figaro, K.492 / Act 1: “Bravo, signor padrone!”
  track: Le nozze di Figaro, K.492 / Act 1: N. 3. Cavatina: “Se vuol ballare, signor contino”
  track: Le nozze di Figaro, K.492 / Act 1: Recitativo: “Ed aspettaste il giorno”
  track: Le nozze di Figaro, K.492 / Act 1: N. 4. Aria: “La vendetta, oh, la vendetta”
  track: Le nozze di Figaro, K.492 / Act 1: Recitativo: “Tutto ancor non ho perso”
  track: Le nozze di Figaro, K.492 / Act 1: N. 5. Duettino: “Via, resti servita”
  track: Le nozze di Figaro, K.492 / Act 1: N. 6. Aria: “Non so più cosa son, cosa faccio”
  track: Le nozze di Figaro, K.492 / Act 1: Recitativo: “Ah, son perduto!”
  track: Le nozze di Figaro, K.492 / Act 1: N. 7. Terzetto: “Cosa sento! tosto andate”
  track: Le nozze di Figaro, K.492 / Act 1: N. 9. Coro: “Giovani liete, fiori spargete”
  track: Le nozze di Figaro, K.492 / Act 1: Recitativo: “Evviva!” … “E voi non applaudite?”
  track: Le nozze di Figaro, K.492 / Act 1: N. 10. Aria: “Non più andrai, farfallone amoroso”
  track: Le nozze di Figaro, K.492 / Act 2: N. 11. Cavatina: “Porgi, amor, qualche ristoro”
  track: Le nozze di Figaro, K.492 / Act 2: N. 12. Arietta: “Voi che sapete che cosa è amor”
  track: Le nozze di Figaro, K.492 / Act 2: Recitativo: “Bravo! Che bella voce!”
  track: Le nozze di Figaro, K.492 / Act 2: N. 13. Aria: “Venite, inginocchiatevi”
  track: Le nozze di Figaro, K.492 / Act 2: “Che novità! Non fu mai vostra usanza”
  track: Le nozze di Figaro, K.492 / Act 2: N. 14. Terzetto: “Susanna, or via, sortite”
  track: Le nozze di Figaro, K.492 / Act 2: “Conoscete, signor Figaro”
  track: Le nozze di Figaro, K.492 / Act 2: “Ah! signore… signor” / “Cos’è stato?”
  track: Le nozze di Figaro, K.492 / Act 2: “Voi, signor, che giusto siete”
  track: Le nozze di Figaro, K.492 / Act 2: “Son confusa, son stordita”
  track: Le nozze di Figaro, K.492 / Act 3: Recitativo: “Che imbarazzo è mai questo!” … “Via, fatti core!”
  track: Le nozze di Figaro, K.492 / Act 3: Recitativo: “E perché fosti mai stamattina sì austera?” … “Ehi, Susanna, ove vai?”
  track: Le nozze di Figaro, K.492 / Act 3: N. 18. Recitativo ed aria “Hai già vinta la causa!”
  track: Le nozze di Figaro, K.492 / Act 3: “Vedrò mentr’io sospiro”
album: Bach, J.S.: Christmas Oratorio, BWV 248
album: Mozart: La clemenza di Tito (Live)
album: Best of Klassik 2023 - Opus Klassik
album: Cleopatra - Baroque Arias
album: Telemann: Reformations-Oratorium 1755
album: Mozart to Relax
album: Mozart Masterworks
album: Mozart to Enjoy
album: Lieder im Volkston
album: Mozart zum Entspannen
album: Mendelssohn: Symphonies 1-5 (Live)
album: Mozart: Die Zauberflöte
album: Best of Der Freischütz (Hunter's Bride) [200 Years Anniversary 2021]
album: Best of Klassik 2021 - Opus Klassik
album: Rossini: Petite Messe Solennelle
album: Fairy Tales
album: Mozart Arias II
album: Lieder der Heimat / Songs from Home

Cleopatra e Cesare, WV B:I:7: Tra le procelle assorto (Aria)
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by artist: Carl Heinrich Graun
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in album: Cleopatra - Baroque Arias
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genre: choral
isrc code: DEE861701229
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  date published: 2026-07-02T03:55:08Z
audio: Cleopatra e Cesare, WV B:I:7: Tra le procelle assorto (Aria)
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Holder Friede, heil'ger Glaube, TWV 13:18: No. 1, Holder Friede, heil'ger Glaube (Duetto)
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  date published: 2026-07-02T03:30:09Z
audio: Holder Friede, heil'ger Glaube, TWV 13:18: No. 1, Holder Friede, heil'ger Glaube (Duetto)
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Waldeinsamkeit
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popularity: 18
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Waldeinsamkeit
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Le nozze di Figaro, K.492 / Act 1: Recitativo: “Cosa stai misurando”
type: MusicRecording
duration: PT0M42S
duration ms: 42880
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Christiane Karg
by artist: Luca Pisaroni
by artist: Jory Vinikour
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531203
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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  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c382835304acca48a8b535288183836056d843e1e57f4a08380072ee1d1ecb3. 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/DEN961531203.
  date published: 2026-07-02T05:09:12Z
audio: Le nozze di Figaro, K.492 / Act 1: Recitativo: “Cosa stai misurando”
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Le nozze di Figaro, K.492 / Act 1: N. 2. Duettino: “Se a caso Madama la notte ti chiama”
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duration: PT2M44S
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by artist: Wolfgang Amadeus Mozart
by artist: Luca Pisaroni
by artist: Christiane Karg
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
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  date published: 2016-07-01
genre: classical
genre: classical-era
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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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 0x0424b52803308da9333b17c8670f2621dcf45ecd30c93be81b8e2194393c2d85. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531204.
  date published: 2026-07-02T03:55:08Z
audio: Le nozze di Figaro, K.492 / Act 1: N. 2. Duettino: “Se a caso Madama la notte ti chiama”
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Le nozze di Figaro, K.492 / Act 1: Recitativo: “Or bene, ascolta, e taci”
type: MusicRecording
duration: PT1M44S
duration ms: 104173
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Christiane Karg
by artist: Luca Pisaroni
by artist: Jory Vinikour
in album: Mozart: Le nozze di Figaro, K.492
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  date published: 2016-07-01
genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97842589e7e97858cf88f51a0869e63d721650ce3d6714dcf565f2bc226dd0db. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531205.
  date published: 2026-07-06T07:53:57Z
audio: Le nozze di Figaro, K.492 / Act 1: Recitativo: “Or bene, ascolta, e taci”
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Le nozze di Figaro, K.492 / Act 1: “Bravo, signor padrone!”
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duration: PT0M43S
duration ms: 43733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Luca Pisaroni
by artist: Jory Vinikour
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: 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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ae4ed00ecc206289959cc3160f879d54da4d384a854da8b717b81889706f843. 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/DEN961531206.
  date published: 2026-07-06T06:56:49Z
audio: Le nozze di Figaro, K.492 / Act 1: “Bravo, signor padrone!”
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Le nozze di Figaro, K.492 / Act 1: N. 3. Cavatina: “Se vuol ballare, signor contino”
type: MusicRecording
duration: PT2M36S
duration ms: 156973
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Luca Pisaroni
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531207
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/DEN961531207
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf586c59d8650ba29a6fe80b67156fdd29192833efc263a813908d4897962b7e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531207.
  date published: 2026-07-02T03:55:08Z
audio: Le nozze di Figaro, K.492 / Act 1: N. 3. Cavatina: “Se vuol ballare, signor contino”
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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Le nozze di Figaro, K.492 / Act 1: Recitativo: “Ed aspettaste il giorno”
type: MusicRecording
duration: PT1M1S
duration ms: 61813
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Maurizio Muraro
by artist: Anne Sofie von Otter
by artist: Jory Vinikour
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531208
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
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17a7918a3b7bc4b55779045d33c56adaefbeaee43d017184dc9453dcaad2106b. 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/DEN961531208.
  date published: 2026-07-06T07:16:32Z
audio: Le nozze di Figaro, K.492 / Act 1: Recitativo: “Ed aspettaste il giorno”
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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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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Le nozze di Figaro, K.492 / Act 1: N. 4. Aria: “La vendetta, oh, la vendetta”
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duration: PT3M22S
duration ms: 202666
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Maurizio Muraro
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531209
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T20:12:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4604c14db829a845ab56320bd2b5f1d44106c6bfb293af2398c98eb7383d5c94
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531209
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4604c14db829a845ab56320bd2b5f1d44106c6bfb293af2398c98eb7383d5c94. 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/DEN961531209.
  date published: 2026-07-02T05:09:12Z
audio: Le nozze di Figaro, K.492 / Act 1: N. 4. Aria: “La vendetta, oh, la vendetta”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.443
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.442
  additional property: Energy
    type: PropertyValue
    value: 0.176
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.023
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.394
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.02
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K.492 / Act 1: Recitativo: “Tutto ancor non ho perso”
type: MusicRecording
duration: PT0M42S
duration ms: 42773
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Anne Sofie von Otter
by artist: Christiane Karg
by artist: Jory Vinikour
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:26:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b2d5803debafe71c866b467e59bc6ab03abd4479a12ba7864ae0cdfbab541bc
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/DEN961531210
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b2d5803debafe71c866b467e59bc6ab03abd4479a12ba7864ae0cdfbab541bc. 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/DEN961531210.
  date published: 2026-07-06T06:56:49Z
audio: Le nozze di Figaro, K.492 / Act 1: Recitativo: “Tutto ancor non ho perso”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.293
  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: 0.571
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.266
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.284
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.307
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.339
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K.492 / Act 1: N. 5. Duettino: “Via, resti servita”
type: MusicRecording
duration: PT2M21S
duration ms: 141200
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Anne Sofie von Otter
by artist: Christiane Karg
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:51:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4b69ae984d5a9ff09f1e593e63fdfe7f65898395420744125a91ae6d532cf27
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531211
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4b69ae984d5a9ff09f1e593e63fdfe7f65898395420744125a91ae6d532cf27. 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/DEN961531211.
  date published: 2026-07-02T05:09:12Z
audio: Le nozze di Figaro, K.492 / Act 1: N. 5. Duettino: “Via, resti servita”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.137
  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: 0.5
  additional property: Energy
    type: PropertyValue
    value: 0.138
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.351
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.493
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.78
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K.492 / Act 1: N. 6. Aria: “Non so più cosa son, cosa faccio”
type: MusicRecording
duration: PT2M37S
duration ms: 157280
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Angela Brower
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:54:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbb0ac0a8529a97f2ce93ed1abb41c9b5a87856299886d6127d5387c9c1c637ed
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531213
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb0ac0a8529a97f2ce93ed1abb41c9b5a87856299886d6127d5387c9c1c637ed. 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/DEN961531213.
  date published: 2026-07-02T05:09:12Z
audio: Le nozze di Figaro, K.492 / Act 1: N. 6. Aria: “Non so più cosa son, cosa faccio”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.202
  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: 0.419
  additional property: Energy
    type: PropertyValue
    value: 0.105
  additional property: Speechiness
    type: PropertyValue
    value: 0.074
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.18
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.01
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K.492 / Act 1: Recitativo: “Ah, son perduto!”
type: MusicRecording
duration: PT3M52S
duration ms: 232573
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Angela Brower
by artist: Christiane Karg
by artist: Thomas Hampson
by artist: Rolando Villazón
by artist: Jory Vinikour
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531214
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:57:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbbf16462ae26a568387830c1ada08f9191aaa362593bb1a84d5bf65c53453833
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957075
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957075
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531214
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:50:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbf16462ae26a568387830c1ada08f9191aaa362593bb1a84d5bf65c53453833. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531214.
  date published: 2026-07-07T18:50:38Z
audio: Le nozze di Figaro, K.492 / Act 1: Recitativo: “Ah, son perduto!”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.111
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.577
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.397
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.253
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.331
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.323
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Le nozze di Figaro, K.492 / Act 1: N. 7. Terzetto: “Cosa sento! tosto andate”
type: MusicRecording
duration: PT4M46S
duration ms: 286040
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Christiane Karg
by artist: Thomas Hampson
by artist: Rolando Villazón
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531215
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:56:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6fdb6f51854516d3bea9c4ce06d746fbbd1babb519fe71f50e15e2a1878999d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531215
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fdb6f51854516d3bea9c4ce06d746fbbd1babb519fe71f50e15e2a1878999d9. 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/DEN961531215.
  date published: 2026-07-02T05:09:12Z
audio: Le nozze di Figaro, K.492 / Act 1: N. 7. Terzetto: “Cosa sento! tosto andate”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.088
  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: 0.397
  additional property: Energy
    type: PropertyValue
    value: 0.165
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.452
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.785
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K.492 / Act 1: N. 9. Coro: “Giovani liete, fiori spargete”
type: MusicRecording
duration: PT0M53S
duration ms: 53960
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Rolando Villazón
by artist: Vocalensemble Rastatt
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531219
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T02:25:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x64709f52808b1c3edcb53cdd416d19ce0dee84d109555c3e8b2cde2c8e152561
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531219
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64709f52808b1c3edcb53cdd416d19ce0dee84d109555c3e8b2cde2c8e152561. 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/DEN961531219.
  date published: 2026-07-06T07:16:32Z
audio: Le nozze di Figaro, K.492 / Act 1: N. 9. Coro: “Giovani liete, fiori spargete”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.987
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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Le nozze di Figaro, K.492 / Act 1: Recitativo: “Evviva!” … “E voi non applaudite?”
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duration: PT1M11S
duration ms: 71720
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Luca Pisaroni
by artist: Christiane Karg
by artist: Rolando Villazón
by artist: Angela Brower
by artist: Thomas Hampson
by artist: Jory Vinikour
in album: Mozart: Le nozze di Figaro, K.492
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  date published: 2016-07-01
genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Le nozze di Figaro, K.492 / Act 1: Recitativo: “Evviva!” … “E voi non applaudite?”
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Le nozze di Figaro, K.492 / Act 1: N. 10. Aria: “Non più andrai, farfallone amoroso”
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duration: PT3M42S
duration ms: 222853
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Luca Pisaroni
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
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  date published: 2016-07-01
genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Le nozze di Figaro, K.492 / Act 1: N. 10. Aria: “Non più andrai, farfallone amoroso”
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Le nozze di Figaro, K.492 / Act 2: N. 11. Cavatina: “Porgi, amor, qualche ristoro”
type: MusicRecording
duration: PT3M53S
duration ms: 233720
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sonya Yoncheva
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Le nozze di Figaro, K.492 / Act 2: N. 11. Cavatina: “Porgi, amor, qualche ristoro”
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Le nozze di Figaro, K.492 / Act 2: N. 12. Arietta: “Voi che sapete che cosa è amor”
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duration: PT2M51S
duration ms: 171906
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Angela Brower
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
popularity: 15
genre: classical
genre: classical-era
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
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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 0xd40ff8a2b1031fa8143ff8025a1f0837b9dcd079d710e93d71b2b189fb3f728b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531225.
  date published: 2026-07-02T03:55:08Z
audio: Le nozze di Figaro, K.492 / Act 2: N. 12. Arietta: “Voi che sapete che cosa è amor”
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Le nozze di Figaro, K.492 / Act 2: Recitativo: “Bravo! Che bella voce!”
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duration: PT1M11S
duration ms: 71186
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sonya Yoncheva
by artist: Christiane Karg
by artist: Angela Brower
by artist: Jory Vinikour
in album: Mozart: Le nozze di Figaro, K.492
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genre: classical
genre: classical-era
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additional property: CopyrightID
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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 0x862cc99535fd589e0e07eb47951245c6624fa5d9170f8954ac9b924bd519a0e7. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531226.
  date published: 2026-07-07T18:50:38Z
audio: Le nozze di Figaro, K.492 / Act 2: Recitativo: “Bravo! Che bella voce!”
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Le nozze di Figaro, K.492 / Act 2: N. 13. Aria: “Venite, inginocchiatevi”
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duration: PT2M51S
duration ms: 171831
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by artist: Wolfgang Amadeus Mozart
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by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
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genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  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: 2026-07-06T07:53:57Z
audio: Le nozze di Figaro, K.492 / Act 2: N. 13. Aria: “Venite, inginocchiatevi”
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  additional property: Danceability
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Le nozze di Figaro, K.492 / Act 2: “Che novità! Non fu mai vostra usanza”
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genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e66d0903ae1f6d43a439b8415a1f9b754ec6d49caefee2efdcb77a9d4588bc6. 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/DEN961531229.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K.492 / Act 2: “Che novità! Non fu mai vostra usanza”
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 74.664
  additional property: Musical Key
    type: PropertyValue
    value: 10
  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: 0.713
  additional property: Energy
    type: PropertyValue
    value: 0.148
  additional property: Speechiness
    type: PropertyValue
    value: 0.515
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.471
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.491
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.449
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K.492 / Act 2: N. 14. Terzetto: “Susanna, or via, sortite”
type: MusicRecording
duration: PT3M15S
duration ms: 195146
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Thomas Hampson
by artist: Sonya Yoncheva
by artist: Christiane Karg
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531230
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:38:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9349bd736f496e87c9aa9b2e254e2d090f4b3e94a8569483aa320b18619d4f75
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/DEN961531230
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 0x9349bd736f496e87c9aa9b2e254e2d090f4b3e94a8569483aa320b18619d4f75. 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/DEN961531230.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K.492 / Act 2: N. 14. Terzetto: “Susanna, or via, sortite”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.122
  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
    value: 0.371
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  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)
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  additional property: Loudness (dB)
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    value: -18.577
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Le nozze di Figaro, K.492 / Act 2: “Conoscete, signor Figaro”
type: MusicRecording
duration: PT2M12S
duration ms: 132413
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Thomas Hampson
by artist: Luca Pisaroni
by artist: Christiane Karg
by artist: Sonya Yoncheva
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531239
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:37:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89455b2278c4fda4ad13a0540570cd7f34a4217f800646a93eb1e13990b15c63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531239
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89455b2278c4fda4ad13a0540570cd7f34a4217f800646a93eb1e13990b15c63. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531239.
  date published: 2026-07-07T18:39:05Z
audio: Le nozze di Figaro, K.492 / Act 2: “Conoscete, signor Figaro”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.414
  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: 0.416
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.462
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.357
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K.492 / Act 2: “Ah! signore… signor” / “Cos’è stato?”
type: MusicRecording
duration: PT2M51S
duration ms: 171280
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Philippe Sly
by artist: Thomas Hampson
by artist: Sonya Yoncheva
by artist: Christiane Karg
by artist: Luca Pisaroni
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531240
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T00:51:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4406a50d254f87715ad038ee2001cacb86aa70173bcaa502263b686a758c4d0e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956857
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956857
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:26:17Z
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 0x4406a50d254f87715ad038ee2001cacb86aa70173bcaa502263b686a758c4d0e. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531240.
  date published: 2026-07-06T01:26:17Z
audio: Le nozze di Figaro, K.492 / Act 2: “Ah! signore… signor” / “Cos’è stato?”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.688
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.527
  additional property: Energy
    type: PropertyValue
    value: 0.32
  additional property: Speechiness
    type: PropertyValue
    value: 0.097
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.678
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.5
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.445
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K.492 / Act 2: “Voi, signor, che giusto siete”
type: MusicRecording
duration: PT1M25S
duration ms: 85320
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Anne Sofie von Otter
by artist: Rolando Villazón
by artist: Maurizio Muraro
by artist: Thomas Hampson
by artist: Sonya Yoncheva
by artist: Christiane Karg
by artist: Luca Pisaroni
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531242
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:18:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x13e4993b111cb60b7d1397ff916c96d34e33267f8274c1debe1b7149aecec169
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/DEN961531242
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e4993b111cb60b7d1397ff916c96d34e33267f8274c1debe1b7149aecec169. 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/DEN961531242.
  date published: 2026-07-06T06:56:49Z
audio: Le nozze di Figaro, K.492 / Act 2: “Voi, signor, che giusto siete”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.67
  additional property: Musical Key
    type: PropertyValue
    value: 10
  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: 0.475
  additional property: Energy
    type: PropertyValue
    value: 0.294
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.783
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.889
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.406
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K.492 / Act 2: “Son confusa, son stordita”
type: MusicRecording
duration: PT2M18S
duration ms: 138053
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Christiane Karg
by artist: Sonya Yoncheva
by artist: Luca Pisaroni
by artist: Anne Sofie von Otter
by artist: Rolando Villazón
by artist: Maurizio Muraro
by artist: Thomas Hampson
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531243
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:54:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x57f9c852c156f7a3969f4c09590d8e0b2d862587e8251cb5950c6d0decec78cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531243
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f9c852c156f7a3969f4c09590d8e0b2d862587e8251cb5950c6d0decec78cf. 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/DEN961531243.
  date published: 2026-07-02T05:09:12Z
audio: Le nozze di Figaro, K.492 / Act 2: “Son confusa, son stordita”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.069
  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: 0.418
  additional property: Energy
    type: PropertyValue
    value: 0.493
  additional property: Speechiness
    type: PropertyValue
    value: 0.112
  additional property: Acousticness
    type: PropertyValue
    value: 0.919
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.445
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.774
  additional property: Key Name
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    value: Eb
  additional property: Mode Name
    type: PropertyValue
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Le nozze di Figaro, K.492 / Act 3: Recitativo: “Che imbarazzo è mai questo!” … “Via, fatti core!”
type: MusicRecording
duration: PT2M42S
duration ms: 162613
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Thomas Hampson
by artist: Sonya Yoncheva
by artist: Christiane Karg
by artist: Jory Vinikour
in album: Mozart: Le nozze di Figaro, K.492
  type: MusicAlbum
  date published: 2016-07-01
genre: classical
genre: classical-era
isrc code: DEN961531244
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:18:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x82a1a60020f789e879604754f4dfc8f09ea6e4bb0dbf57f0ed1594f3f6ec435b
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/DEN961531244
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 0x82a1a60020f789e879604754f4dfc8f09ea6e4bb0dbf57f0ed1594f3f6ec435b. 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/DEN961531244.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K.492 / Act 3: Recitativo: “Che imbarazzo è mai questo!” … “Via, fatti core!”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.209
  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: 0.529
  additional property: Energy
    type: PropertyValue
    value: 0.097
  additional property: Speechiness
    type: PropertyValue
    value: 0.258
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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Le nozze di Figaro, K.492 / Act 3: N. 18. Recitativo ed aria “Hai già vinta la causa!”
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Bach, J.S.: Christmas Oratorio, BWV 248
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Mozart: La clemenza di Tito (Live)
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    date published: 2026-07-06T06:56:49Z
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track: La clemenza di Tito, K. 621 / Act 1: "Serbate, oh Dei custodi" - Live
track: La clemenza di Tito, K. 621 / Act 1: "Ah perdona al primo affetto" - Live
track: La clemenza di Tito, K. 621 / Act 1: "Che mi rechi in quel foglio?" - Live
track: La clemenza di Tito, K. 621 / Act 1: "Di Tito al piè" - Live
track: La clemenza di Tito, K. 621 / Act 1: "Felice me!" - "Ancora mi schernisce?" - Live
track: La clemenza di Tito, K. 621 / Act 1: "Parto, ma tu ben mio" - Live
track: La clemenza di Tito, K. 621 / Act 1: "Vedrai, Tito, vedrai" - Live
track: La clemenza di Tito, K. 621 / Act 1: "Vengo... aspettate... Sesto!..." - Live
track: La clemenza di Tito, K. 621 / Act 1: "Oh Dei, che smania è questa" - Live
track: La clemenza di Tito, K. 621 / Act 2: "Sesto, come tu credi" - Live
track: La clemenza di Tito, K. 621 / Act 2: "Sesto! - Che chiedi?" - Live
track: La clemenza di Tito, K. 621 / Act 2: "Se al volto mai ti senti" - Live
track: La clemenza di Tito, K. 621 / Act 2: "Ah, grazie si rendano" - "È tutto colà d'intorno" - Live
track: La clemenza di Tito, K. 621 / Act 2: "No, così scellerato" - Live
track: La clemenza di Tito, K. 621 / Act 2: "Eppur mi fa pietà" - Live
track: La clemenza di Tito, K. 621 / Act 2: "Ah, Vitellia" - Live
track: La clemenza di Tito, K. 621 / Act 2: "S'altro che lagrime" - Live
track: La clemenza di Tito, K. 621 / Act 2: "Non più di fiori" - Live
track: La clemenza di Tito, K. 621 / Act 2: "Sesto, de' tuoi delitti" - Live

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

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  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

La clemenza di Tito, K. 621 / Act 1: "Serbate, oh Dei custodi" - Live
type: MusicRecording
duration: PT1M42S
duration ms: 102146
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: RIAS Kammerchor
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731509
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:00:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xab6a64d32b9c39540077bb673d20803de32e933daf97f80a23e285e15db75031
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961731509
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 0xab6a64d32b9c39540077bb673d20803de32e933daf97f80a23e285e15db75031. 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/DEN961731509.
  date published: 2026-07-08T03:53:27Z
audio: La clemenza di Tito, K. 621 / Act 1: "Serbate, oh Dei custodi" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.372
  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: 0.439
  additional property: Energy
    type: PropertyValue
    value: 0.292
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.158
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.654
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.633
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La clemenza di Tito, K. 621 / Act 1: "Ah perdona al primo affetto" - Live
type: MusicRecording
duration: PT3M8S
duration ms: 188333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Regula Mühlemann
by artist: Tara Erraught
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731515
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:17:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb3a4f5be68c96142781eb3d6bff13b4c8bece3337786047b0a1770c659afaf79
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/DEN961731515
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3a4f5be68c96142781eb3d6bff13b4c8bece3337786047b0a1770c659afaf79. 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/DEN961731515.
  date published: 2026-07-08T03:22:41Z
audio: La clemenza di Tito, K. 621 / Act 1: "Ah perdona al primo affetto" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.258
  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: 0.244
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.08
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.163
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.374
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

La clemenza di Tito, K. 621 / Act 1: "Che mi rechi in quel foglio?" - Live
type: MusicRecording
duration: PT0M53S
duration ms: 53746
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Rolando Villazón
by artist: Adam Plachetka
by artist: Jory Vinikour
by artist: William Conway
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731516
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:54:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0415a640f3550a3e9dae4dba22b41e878b1e35ecb8abcc9219e302d7b559730e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961731516
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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 0x0415a640f3550a3e9dae4dba22b41e878b1e35ecb8abcc9219e302d7b559730e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEN961731516.
  date published: 2026-07-08T08:56:20Z
audio: La clemenza di Tito, K. 621 / Act 1: "Che mi rechi in quel foglio?" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.012
  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: 0.515
  additional property: Energy
    type: PropertyValue
    value: 0.183
  additional property: Speechiness
    type: PropertyValue
    value: 0.266
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.397
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.331
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.313
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

La clemenza di Tito, K. 621 / Act 1: "Di Tito al piè" - Live
type: MusicRecording
duration: PT2M32S
duration ms: 152693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Regula Mühlemann
by artist: Rolando Villazón
by artist: Jory Vinikour
by artist: William Conway
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731517
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:54:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e4e6937529dba095cbc3d01ca27bf471baddc3e717709eb6f1fb5c44f52dd13
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/DEN961731517
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e4e6937529dba095cbc3d01ca27bf471baddc3e717709eb6f1fb5c44f52dd13. 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/DEN961731517.
  date published: 2026-07-08T03:22:41Z
audio: La clemenza di Tito, K. 621 / Act 1: "Di Tito al piè" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.113
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.54
  additional property: Energy
    type: PropertyValue
    value: 0.173
  additional property: Speechiness
    type: PropertyValue
    value: 0.218
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.674
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.265
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.775
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

La clemenza di Tito, K. 621 / Act 1: "Felice me!" - "Ancora mi schernisce?" - Live
type: MusicRecording
duration: PT4M44S
duration ms: 284133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Regula Mühlemann
by artist: Marina Rebeka
by artist: Joyce DiDonato
by artist: Jory Vinikour
by artist: William Conway
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731519
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:32:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x349fc82af9c2ee0d5eac37ee755c41be84aa277a33ca30649b0ecdcf0cb1230a
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/DEN961731519
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 0x349fc82af9c2ee0d5eac37ee755c41be84aa277a33ca30649b0ecdcf0cb1230a. 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/DEN961731519.
  date published: 2026-07-08T03:20:19Z
audio: La clemenza di Tito, K. 621 / Act 1: "Felice me!" - "Ancora mi schernisce?" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.186
  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: 0.541
  additional property: Energy
    type: PropertyValue
    value: 0.149
  additional property: Speechiness
    type: PropertyValue
    value: 0.153
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.683
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.291
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.174
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

La clemenza di Tito, K. 621 / Act 1: "Parto, ma tu ben mio" - Live
type: MusicRecording
duration: PT6M38S
duration ms: 398626
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Joyce DiDonato
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731520
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:02:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53ce0451dc17ba27a3db475e299abc118061b3eaae63942cb4c212d59778c311
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961731520
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 0x53ce0451dc17ba27a3db475e299abc118061b3eaae63942cb4c212d59778c311. 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/DEN961731520.
  date published: 2026-07-08T03:53:27Z
audio: La clemenza di Tito, K. 621 / Act 1: "Parto, ma tu ben mio" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.886
  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: 0.239
  additional property: Energy
    type: PropertyValue
    value: 0.104
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.277
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.12
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.119
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La clemenza di Tito, K. 621 / Act 1: "Vedrai, Tito, vedrai" - Live
type: MusicRecording
duration: PT0M46S
duration ms: 46613
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Adam Plachetka
by artist: Tara Erraught
by artist: Marina Rebeka
by artist: Jory Vinikour
by artist: William Conway
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731521
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:49:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x30020961658d805b73372c417cf928a59166f55cb061c251ac9ed96df62c6a42
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/DEN961731521
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30020961658d805b73372c417cf928a59166f55cb061c251ac9ed96df62c6a42. 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/DEN961731521.
  date published: 2026-07-08T03:22:41Z
audio: La clemenza di Tito, K. 621 / Act 1: "Vedrai, Tito, vedrai" - Live
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  additional property: Valence (Positivity)
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La clemenza di Tito, K. 621 / Act 1: "Vengo... aspettate... Sesto!..." - Live
type: MusicRecording
duration: PT2M11S
duration ms: 131733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Adam Plachetka
by artist: Tara Erraught
by artist: Marina Rebeka
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731522
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/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961731522
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ac52cc5020471ca91222ade7810830c3a080d8a2c1df89ce4846676cf200f76. 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/DEN961731522.
  date published: 2026-07-08T03:53:27Z
audio: La clemenza di Tito, K. 621 / Act 1: "Vengo... aspettate... Sesto!..." - Live
  type: AudioObject
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  additional property: Mode (Major/Minor)
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La clemenza di Tito, K. 621 / Act 1: "Oh Dei, che smania è questa" - Live
type: MusicRecording
duration: PT3M22S
duration ms: 202840
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Joyce DiDonato
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731523
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961731523
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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 0x4f4dbce6e63b98083272843193f4f225552733a4c3225b9d3b10d4271927b6a8. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEN961731523.
  date published: 2026-07-08T08:56:20Z
audio: La clemenza di Tito, K. 621 / Act 1: "Oh Dei, che smania è questa" - Live
  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: Instrumentalness
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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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La clemenza di Tito, K. 621 / Act 2: "Sesto, come tu credi" - Live
type: MusicRecording
duration: PT2M3S
duration ms: 123813
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Joyce DiDonato
by artist: Tara Erraught
by artist: Jory Vinikour
by artist: William Conway
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731526
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:40:09+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x5f4b2916b749b0f1b024e7fb337683fe05b47f6c1be69ff17768db99074a8048
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/DEN961731526
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f4b2916b749b0f1b024e7fb337683fe05b47f6c1be69ff17768db99074a8048. 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/DEN961731526.
  date published: 2026-07-08T03:22:41Z
audio: La clemenza di Tito, K. 621 / Act 2: "Sesto, come tu credi" - Live
  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
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

La clemenza di Tito, K. 621 / Act 2: "Sesto! - Che chiedi?" - Live
type: MusicRecording
duration: PT0M57S
duration ms: 57973
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Adam Plachetka
by artist: Joyce DiDonato
by artist: Marina Rebeka
by artist: Jory Vinikour
by artist: William Conway
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731529
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:58:00+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xb0c2fc1fcf0ec891e1e70e31660891667b798e8b48c295c46e7ece0c4d81ca8f
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/DEN961731529
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 0xb0c2fc1fcf0ec891e1e70e31660891667b798e8b48c295c46e7ece0c4d81ca8f. 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/DEN961731529.
  date published: 2026-07-08T03:20:19Z
audio: La clemenza di Tito, K. 621 / Act 2: "Sesto! - Che chiedi?" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.781
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.469
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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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
    value: -24.132
  additional property: Key Name
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    value: Bb
  additional property: Mode Name
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La clemenza di Tito, K. 621 / Act 2: "Se al volto mai ti senti" - Live
type: MusicRecording
duration: PT4M55S
duration ms: 295693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Adam Plachetka
by artist: Joyce DiDonato
by artist: Marina Rebeka
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731530
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:25:10+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x2e0c3523fe700d27d96d9caa006756b4b1cb86a8a050d4c674c7ab1342f31787
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/DEN961731530
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 0x2e0c3523fe700d27d96d9caa006756b4b1cb86a8a050d4c674c7ab1342f31787. 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/DEN961731530.
  date published: 2026-07-08T03:20:19Z
audio: La clemenza di Tito, K. 621 / Act 2: "Se al volto mai ti senti" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.476
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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    value: Bb
  additional property: Mode Name
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La clemenza di Tito, K. 621 / Act 2: "Ah, grazie si rendano" - "È tutto colà d'intorno" - Live
type: MusicRecording
duration: PT3M18S
duration ms: 198693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Rolando Villazón
by artist: RIAS Kammerchor
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731531
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961731531
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 0x0ce27b6bf5a5ade20e94bc66a053f64955effc660e93065729a493345f4293ea. 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/DEN961731531.
  date published: 2026-07-08T03:20:19Z
audio: La clemenza di Tito, K. 621 / Act 2: "Ah, grazie si rendano" - "È tutto colà d'intorno" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.222
  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: 0.275
  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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    value: 0.027
  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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La clemenza di Tito, K. 621 / Act 2: "No, così scellerato" - Live
type: MusicRecording
duration: PT0M31S
duration ms: 31426
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Adam Plachetka
by artist: Rolando Villazón
by artist: Tara Erraught
by artist: Jory Vinikour
by artist: William Conway
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731534
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/0x05bad5747cfd6c767982b8c9a3b75b3cfdf7353af7f9f9af80e54b17275155d9
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/DEN961731534
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 0x05bad5747cfd6c767982b8c9a3b75b3cfdf7353af7f9f9af80e54b17275155d9. 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/DEN961731534.
  date published: 2026-07-08T03:20:19Z
audio: La clemenza di Tito, K. 621 / Act 2: "No, così scellerato" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.827
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.493
  additional property: Energy
    type: PropertyValue
    value: 0.172
  additional property: Speechiness
    type: PropertyValue
    value: 0.137
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.63
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.426
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.626
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La clemenza di Tito, K. 621 / Act 2: "Eppur mi fa pietà" - Live
type: MusicRecording
duration: PT5M42S
duration ms: 342760
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Joyce DiDonato
by artist: Rolando Villazón
by artist: Jory Vinikour
by artist: William Conway
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731539
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:27:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0ba00ea9a26f613c2ce639040a213cca89fe5353b1014784dac7ff93ec1084f
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/DEN961731539
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 0xf0ba00ea9a26f613c2ce639040a213cca89fe5353b1014784dac7ff93ec1084f. 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/DEN961731539.
  date published: 2026-07-08T03:20:19Z
audio: La clemenza di Tito, K. 621 / Act 2: "Eppur mi fa pietà" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.242
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.508
  additional property: Energy
    type: PropertyValue
    value: 0.214
  additional property: Speechiness
    type: PropertyValue
    value: 0.262
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.202
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.209
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.934
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La clemenza di Tito, K. 621 / Act 2: "Ah, Vitellia" - Live
type: MusicRecording
duration: PT1M39S
duration ms: 99880
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Regula Mühlemann
by artist: Tara Erraught
by artist: Marina Rebeka
by artist: Jory Vinikour
by artist: William Conway
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731544
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:05:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe79fe56b451b937da26fa287cb65911b5df552696e16c9f2ad7128ad1638f6d6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961731544
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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 0xe79fe56b451b937da26fa287cb65911b5df552696e16c9f2ad7128ad1638f6d6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEN961731544.
  date published: 2026-07-08T08:56:20Z
audio: La clemenza di Tito, K. 621 / Act 2: "Ah, Vitellia" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.665
  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: 0.528
  additional property: Energy
    type: PropertyValue
    value: 0.105
  additional property: Speechiness
    type: PropertyValue
    value: 0.175
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.459
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.285
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.294
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La clemenza di Tito, K. 621 / Act 2: "S'altro che lagrime" - Live
type: MusicRecording
duration: PT2M14S
duration ms: 134533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Regula Mühlemann
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731545
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:45:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x96a8c7b829dd7d700db042c67340074031f5cd734d29cbdffbc5bbed4a371d36
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/DEN961731545
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96a8c7b829dd7d700db042c67340074031f5cd734d29cbdffbc5bbed4a371d36. 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/DEN961731545.
  date published: 2026-07-08T03:22:41Z
audio: La clemenza di Tito, K. 621 / Act 2: "S'altro che lagrime" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.914
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.268
  additional property: Energy
    type: PropertyValue
    value: 0.148
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.914
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.121
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.353
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

La clemenza di Tito, K. 621 / Act 2: "Non più di fiori" - Live
type: MusicRecording
duration: PT7M7S
duration ms: 427160
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Marina Rebeka
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731547
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:18:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6be71542dddbe1e8442336a4d6522f222eff518224572865c0073ded6046f950
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961731547
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 0x6be71542dddbe1e8442336a4d6522f222eff518224572865c0073ded6046f950. 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/DEN961731547.
  date published: 2026-07-08T03:53:27Z
audio: La clemenza di Tito, K. 621 / Act 2: "Non più di fiori" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.039
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.319
  additional property: Energy
    type: PropertyValue
    value: 0.123
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.242
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.198
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.194
  additional property: Key Name
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    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

La clemenza di Tito, K. 621 / Act 2: "Sesto, de' tuoi delitti" - Live
type: MusicRecording
duration: PT1M53S
duration ms: 113173
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Rolando Villazón
by artist: Adam Plachetka
by artist: Tara Erraught
by artist: Marina Rebeka
by artist: Joyce DiDonato
by artist: Regula Mühlemann
by artist: Jory Vinikour
by artist: William Conway
by artist: Yannick Nézet-Séguin
in album: Mozart: La clemenza di Tito (Live)
  type: MusicAlbum
  date published: 2018-07-06
genre: classical
genre: classical-era
isrc code: DEN961731549
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:04:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f8048b451e9e9f8520c0820b7b090a9fd13c4b75fc25d06dfe4c55b4e742962
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/DEN961731549
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f8048b451e9e9f8520c0820b7b090a9fd13c4b75fc25d06dfe4c55b4e742962. 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/DEN961731549.
  date published: 2026-07-08T03:22:41Z
audio: La clemenza di Tito, K. 621 / Act 2: "Sesto, de' tuoi delitti" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.229
  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: 0.413
  additional property: Energy
    type: PropertyValue
    value: 0.169
  additional property: Speechiness
    type: PropertyValue
    value: 0.146
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.316
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.369
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.488
  additional property: Key Name
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    value: G
  additional property: Mode Name
    type: PropertyValue
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Best of Klassik 2023 - Opus Klassik
type: MusicAlbum
date published: 2023-10-06
track: 12 Romances, Op. 21: VII. Zdes' khorosho
  type: MusicRecording
  duration: PT2M4S
  duration ms: 124093
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Asmik Grigorian
  by artist: Lukas Geniušas
  in album: Best of Klassik 2023 - Opus Klassik
    type: MusicAlbum
    date published: 2023-10-06
  genre: classical
  genre: classical-piano
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  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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    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2179609
  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 0x272429271c0e94a6d10f51cf46ceddf421a2b95ad7e8e9dfe7caa523c314af78. 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/FR50X2179609.
    date published: 2026-07-08T03:53:27Z
  audio: 12 Romances, Op. 21: VII. Zdes' khorosho
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.388
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.316
    additional property: Energy
      type: PropertyValue
      value: 0.098
    additional property: Speechiness
      type: PropertyValue
      value: 0.061
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.355
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Cleopatra - Baroque Arias
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T14:41:13Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: La virtù trionfante dell'amore e dell'odio, ovvero il Tigrane, RV 740: Squarciami pure il seno (Aria)
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OpenTimestamps Proof of Existence
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date published: 2026-07-07T14:04:01Z

Antioco il Grande: Se tu sarai felice (Aria)
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La virtù trionfante dell'amore e dell'odio, ovvero il Tigrane, RV 740: Squarciami pure il seno (Aria)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: La virtù trionfante dell'amore e dell'odio, ovvero il Tigrane, RV 740: Squarciami pure il seno (Aria)
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Die unglücksselige Cleopatra: Mein Leben ist hin (Aria)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Die unglücksselige Cleopatra: Mein Leben ist hin (Aria)
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Telemann: Reformations-Oratorium 1755
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Mozart to Relax
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    date published: 2026-07-08T03:20:19Z
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audio: Suite from "Le nozze di Figaro", K. 492 (Arr. for String Quartet by Jan Vogler): Overture
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La clemenza di Tito, K. 621: S'altro che lacrime
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Oboe Concerto in C Major, K. 314/285d: II. Adagio non troppo
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track: Symphony No. 1 in C Minor, Op. 11, MWV N 13: IV. Allegro con fuoco - Live
track: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": Ia. Sinfonia - Maestoso con moto - Allegro - Live
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track: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": VII. Chorus. Allegro maestoso e molto vivace. "Die Nacht ist vergangen" - Live
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track: Symphony No. 3 in A Minor, Op. 56, MWV N 18 - "Scottish": I. Andante con moto - Allegro un poco agitato - Assai animato - Andante come prima - Live
track: Symphony No. 3 in A Minor, Op. 56, MWV N 18, "Scottish": II. Vivace non troppo - Live
track: Symphony No. 3 in A Minor, Op. 56, MWV N 18 - "Scottish": III. Adagio - Live
track: Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": I. Andante - Allegro con fuoco - Live
track: Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": II. Allegro vivace - Live
track: Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": IIIa. Andante - Live
track: Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": IIIb. Recitative - Live
track: Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": IV. Chorale: "Ein feste Burg ist unser Gott" - Allegro vivace - Allegro maestoso - Live

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Symphony No. 1 in C Minor, Op. 11, MWV N 13: III. Minuetto. Allegro molto - Trio - Live
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Symphony No. 1 in C Minor, Op. 11, MWV N 13: IV. Allegro con fuoco - Live
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by artist: Chamber Orchestra of Europe
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": Ia. Sinfonia - Maestoso con moto - Allegro - Live
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": Ia. Sinfonia - Maestoso con moto - Allegro - Live
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Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": Ib. Sinfonia - Allegretto un poco agitato - Live
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": Ib. Sinfonia - Allegretto un poco agitato - Live
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Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": Ic. Sinfonia - Adagio Religioso - Live
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": Ic. Sinfonia - Adagio Religioso - Live
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Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": IIa. Chorus. Allegro moderato maestoso "Alles, was Odem hat, lobe den Herrn" - Live
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": IIa. Chorus. Allegro moderato maestoso "Alles, was Odem hat, lobe den Herrn" - Live
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Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": IIb. Molto più moderato ma con fuoco "Lobe den Herrn, meine Seele" - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": IIb. Molto più moderato ma con fuoco "Lobe den Herrn, meine Seele" - Live
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Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": IIIa. Recitative: "Saget es, die ihr erlöst seid durch den Herrn" - Live
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audio: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": IIIa. Recitative: "Saget es, die ihr erlöst seid durch den Herrn" - Live
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Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": IIIb. Allegro moderato. "Er zählet unsre Tränen" - Live
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  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": IIIb. Allegro moderato. "Er zählet unsre Tränen" - Live
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Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": IV. Chorus. A tempo moderato. "Sagt es, die ihr erlöst seid" - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": IV. Chorus. A tempo moderato. "Sagt es, die ihr erlöst seid" - Live
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Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": VII. Chorus. Allegro maestoso e molto vivace. "Die Nacht ist vergangen" - Live
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  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": VII. Chorus. Allegro maestoso e molto vivace. "Die Nacht ist vergangen" - Live
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Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": VIII. Chorale. Andante con moto - Un poco più animato. "Nun danket alle Gott" - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": VIII. Chorale. Andante con moto - Un poco più animato. "Nun danket alle Gott" - Live
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Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": IX. Andante sostenuto assai. "Drum sing' ich mit meinem Liede ewig dein Lob" - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Symphony No. 2 in B-Flat Major, Op. 52, MWV A 18 - "Hymn Of Praise": IX. Andante sostenuto assai. "Drum sing' ich mit meinem Liede ewig dein Lob" - Live
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Symphony No. 3 in A Minor, Op. 56, MWV N 18 - "Scottish": I. Andante con moto - Allegro un poco agitato - Assai animato - Andante come prima - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Symphony No. 3 in A Minor, Op. 56, MWV N 18 - "Scottish": I. Andante con moto - Allegro un poco agitato - Assai animato - Andante come prima - Live
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Symphony No. 3 in A Minor, Op. 56, MWV N 18, "Scottish": II. Vivace non troppo - Live
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duration: PT4M13S
duration ms: 253853
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mendelssohn: Symphonies 1-5 (Live)
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  date published: 2017-06-16
genre: classical
genre: early-romantic-era
genre: german-romanticism
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc281a3ebe2e6c5b11fc723faafd2db21ca20f846884107cf3b60687fd6fdbc5b. 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/DEN961600892.
  date published: 2026-06-13T15:41:10Z
audio: Symphony No. 3 in A Minor, Op. 56, MWV N 18, "Scottish": II. Vivace non troppo - Live
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Symphony No. 3 in A Minor, Op. 56, MWV N 18 - "Scottish": III. Adagio - Live
type: MusicRecording
duration: PT9M49S
duration ms: 589400
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mendelssohn: Symphonies 1-5 (Live)
  type: MusicAlbum
  date published: 2017-06-16
genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Symphony No. 3 in A Minor, Op. 56, MWV N 18 - "Scottish": III. Adagio - Live
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Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": I. Andante - Allegro con fuoco - Live
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duration: PT11M33S
duration ms: 693040
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mendelssohn: Symphonies 1-5 (Live)
  type: MusicAlbum
  date published: 2017-06-16
genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7ae9abef1f6c9272129f0a717fc45d20347ee160722b0b10731e2749597f01d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600911.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": I. Andante - Allegro con fuoco - Live
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Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": II. Allegro vivace - Live
type: MusicRecording
duration: PT5M54S
duration ms: 354386
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mendelssohn: Symphonies 1-5 (Live)
  type: MusicAlbum
  date published: 2017-06-16
genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97a33cd9df631f8d9cf2a980dff0c39a58c4f9cd6c09dba9c9cbed862ac82c83. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600912.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": II. Allegro vivace - Live
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  additional property: Key Name
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Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": IIIa. Andante - Live
type: MusicRecording
duration: PT3M44S
duration ms: 224453
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mendelssohn: Symphonies 1-5 (Live)
  type: MusicAlbum
  date published: 2017-06-16
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: DEN961600913
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7382161b6fc42dde69b95c38aced96a042ac01798e6a84001a6509127e8a21b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600913.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": IIIa. Andante - Live
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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: Loudness (dB)
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Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": IIIb. Recitative - Live
type: MusicRecording
duration: PT1M54S
duration ms: 114920
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mendelssohn: Symphonies 1-5 (Live)
  type: MusicAlbum
  date published: 2017-06-16
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: DEN961600914
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8097feefefa58ba61f3b1868b3cea8aa800ba8326578b9481a17667b1e6f4c0. 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/DEN961600914.
  date published: 2026-07-02T03:30:09Z
audio: Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": IIIb. Recitative - Live
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": IV. Chorale: "Ein feste Burg ist unser Gott" - Allegro vivace - Allegro maestoso - Live
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duration: PT8M0S
duration ms: 480266
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mendelssohn: Symphonies 1-5 (Live)
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  date published: 2017-06-16
genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 5 in D Minor, Op. 107, MWV N 15 - "Reformation": IV. Chorale: "Ein feste Burg ist unser Gott" - Allegro vivace - Allegro maestoso - Live
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Mozart: Die Zauberflöte
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track: Die Zauberflöte, K. 620: Ouverture
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Die Zauberflöte, K. 620: Ouverture
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track: Die Zauberflöte, K. 620 / Act 1: "Zu Hilfe!"
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
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track: Die Zauberflöte, K. 620 / Act 1: "Der Vogelfänger bin ich ja"
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  audio: Die Zauberflöte, K. 620 / Act 1: "Der Vogelfänger bin ich ja"
track: Die Zauberflöte, K. 620 / Act 1: "He da!"
track: Die Zauberflöte, K. 620 / Act 1: "Dies Bildnis ist bezaubernd schön"
track: Die Zauberflöte, K. 620 / Act 1: "Rüste dich mit Mut und Standhaftigkeit"
track: Die Zauberflöte, K. 620 / Act 1: "O zittre nicht, mein lieber Sohn"
track: Die Zauberflöte, K. 620 / Act 1: "Zum Leiden bin ich auserkoren"
track: Die Zauberflöte, K. 620 / Act 1: "Hm! hm! hm!"
track: Die Zauberflöte, K. 620 / Act 1: "Bei Männern, welche Liebe fühlen"
track: Die Zauberflöte, K. 620 / Act 1: "Zum Ziele führt dich diese Bahn"
track: Die Zauberflöte, K. 620 / Act 1: "Die Weisheitslehre dieser Knaben"
track: Die Zauberflöte, K. 620 / Act 1: "Schnelle Füße, rascher Mut"
track: Die Zauberflöte, K. 620 / Act 1: "Es lebe Sarastro! Sarastro lebe!"
track: Die Zauberflöte, K. 620 / Act 1: "Na, stolzer Jüngling, nur hierher!"
track: Die Zauberflöte, K. 620 / Act 2: "O Isis und Osiris"
track: Die Zauberflöte, K. 620 / Act 2: "Bewahret euch vor Weibertücken"
track: Die Zauberflöte, K. 620 / Act 2: "Der Hölle Rache kocht in meinem Herzen"
track: Die Zauberflöte, K. 620 / Act 2: "Tamino!"
track: Die Zauberflöte, K. 620 / Act 2: "Soll ich dich, Teurer, nicht mehr sehn?"
track: Die Zauberflöte, K. 620 / Act 2: "Ein Mädchen oder Weibchen wünscht Papageno sich!"

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

OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

Die Zauberflöte, K. 620 / Act 1: "Der Vogelfänger bin ich ja"
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Die Zauberflöte, K. 620 / Act 1: "He da!"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Die Zauberflöte, K. 620 / Act 1: "He da!"
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Die Zauberflöte, K. 620 / Act 1: "Dies Bildnis ist bezaubernd schön"
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Die Zauberflöte, K. 620 / Act 1: "Rüste dich mit Mut und Standhaftigkeit"
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subject of: OpenTimestamps Proof of Existence
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Die Zauberflöte, K. 620 / Act 1: "O zittre nicht, mein lieber Sohn"
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
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Die Zauberflöte, K. 620 / Act 1: "Zum Leiden bin ich auserkoren"
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Die Zauberflöte, K. 620 / Act 1: "Zum Leiden bin ich auserkoren"
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Die Zauberflöte, K. 620 / Act 1: "Hm! hm! hm!"
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by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Die Zauberflöte, K. 620 / Act 1: "Hm! hm! hm!"
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Die Zauberflöte, K. 620 / Act 1: "Bei Männern, welche Liebe fühlen"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Die Zauberflöte, K. 620 / Act 1: "Bei Männern, welche Liebe fühlen"
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Die Zauberflöte, K. 620 / Act 1: "Zum Ziele führt dich diese Bahn"
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Die Zauberflöte, K. 620 / Act 1: "Zum Ziele führt dich diese Bahn"
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Die Zauberflöte, K. 620 / Act 1: "Die Weisheitslehre dieser Knaben"
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Die Zauberflöte, K. 620 / Act 1: "Die Weisheitslehre dieser Knaben"
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Die Zauberflöte, K. 620 / Act 1: "Schnelle Füße, rascher Mut"
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  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0423b37365ea9aa906c0fc7099fe739368da8a9dd415daa3cec2794106df9a9d. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961831119.
  date published: 2026-07-06T07:53:57Z
audio: Die Zauberflöte, K. 620 / Act 1: "Schnelle Füße, rascher Mut"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.432
  additional property: Energy
    type: PropertyValue
    value: 0.189
  additional property: Speechiness
    type: PropertyValue
    value: 0.095
  additional property: Acousticness
    type: PropertyValue
    value: 0.887
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.436
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.442
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.615
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Zauberflöte, K. 620 / Act 1: "Es lebe Sarastro! Sarastro lebe!"
type: MusicRecording
duration: PT1M37S
duration ms: 97400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Rolando Villazón
by artist: Franz-Josef Selig
by artist: Christiane Karg
by artist: RIAS Kammerchor
by artist: Justin Doyle
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Die Zauberflöte
  type: MusicAlbum
  date published: 2019-08-02
genre: classical
genre: classical-era
isrc code: DEN961831121
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:19:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ec51b8b8aa0f44cd71bba8ddb8dfef9e62bfa58cf17d2c0d21385ed0fe9c5d5
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961831121
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ec51b8b8aa0f44cd71bba8ddb8dfef9e62bfa58cf17d2c0d21385ed0fe9c5d5. 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/DEN961831121.
  date published: 2026-07-06T07:16:32Z
audio: Die Zauberflöte, K. 620 / Act 1: "Es lebe Sarastro! Sarastro lebe!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.441
  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: 0.498
  additional property: Energy
    type: PropertyValue
    value: 0.261
  additional property: Speechiness
    type: PropertyValue
    value: 0.104
  additional property: Acousticness
    type: PropertyValue
    value: 0.906
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.442
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.999
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Zauberflöte, K. 620 / Act 1: "Na, stolzer Jüngling, nur hierher!"
type: MusicRecording
duration: PT2M4S
duration ms: 124693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Franz-Josef Selig
by artist: Christiane Karg
by artist: Klaus Florian Vogt
by artist: Paul Schweinester
by artist: RIAS Kammerchor
by artist: Justin Doyle
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Die Zauberflöte
  type: MusicAlbum
  date published: 2019-08-02
genre: classical
genre: classical-era
isrc code: DEN961831122
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:27:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x140deb9c1dd0f627892c6f706d508ea9f11940c24e55643e6ba97988b49e13e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957084
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957084
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961831122
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T20:41:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x140deb9c1dd0f627892c6f706d508ea9f11940c24e55643e6ba97988b49e13e6. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961831122.
  date published: 2026-07-07T20:41:57Z
audio: Die Zauberflöte, K. 620 / Act 1: "Na, stolzer Jüngling, nur hierher!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 177.472
  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: 0.314
  additional property: Energy
    type: PropertyValue
    value: 0.219
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.93
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.14
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.492
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.453
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Zauberflöte, K. 620 / Act 2: "O Isis und Osiris"
type: MusicRecording
duration: PT2M48S
duration ms: 168560
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Franz-Josef Selig
by artist: RIAS Kammerchor
by artist: Justin Doyle
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Die Zauberflöte
  type: MusicAlbum
  date published: 2019-08-02
genre: classical
genre: classical-era
isrc code: DEN961831126
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T02:44:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbb90b52eab1fed3abbe1d2ecb9e518900a6a0232d18caf77e3bb52aa060dd80a
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/DEN961831126
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb90b52eab1fed3abbe1d2ecb9e518900a6a0232d18caf77e3bb52aa060dd80a. 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/DEN961831126.
  date published: 2026-07-06T06:56:49Z
audio: Die Zauberflöte, K. 620 / Act 2: "O Isis und Osiris"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.853
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.155
  additional property: Energy
    type: PropertyValue
    value: 0.068
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.289
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.623
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Zauberflöte, K. 620 / Act 2: "Bewahret euch vor Weibertücken"
type: MusicRecording
duration: PT0M51S
duration ms: 51533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Levy Sekgapane
by artist: Douglas Williams
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Die Zauberflöte
  type: MusicAlbum
  date published: 2019-08-02
genre: classical
genre: classical-era
isrc code: DEN961831128
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:44:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e4b44119e2ba61f51d3eb2b3ab419241fc94a24ea396a8a99dcadf149523ac4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957052
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957052
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961831128
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:50:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4b44119e2ba61f51d3eb2b3ab419241fc94a24ea396a8a99dcadf149523ac4. 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/DEN961831128.
  date published: 2026-07-07T14:50:41Z
audio: Die Zauberflöte, K. 620 / Act 2: "Bewahret euch vor Weibertücken"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.62
  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: 0.552
  additional property: Energy
    type: PropertyValue
    value: 0.158
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.593
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.093
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Zauberflöte, K. 620 / Act 2: "Der Hölle Rache kocht in meinem Herzen"
type: MusicRecording
duration: PT2M56S
duration ms: 176613
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Albina Shagimuratova
by artist: Jory Vinikour
by artist: Chamber Orchestra of Europe
by artist: Yannick Nézet-Séguin
in album: Mozart: Die Zauberflöte
  type: MusicAlbum
  date published: 2019-08-02
genre: classical
genre: classical-era
isrc code: DEN961831134
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:35:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0ea254804c1764a99e8bfcec5154a0f588614e5a7dde4334f2769bd247d0c909
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961831134
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ea254804c1764a99e8bfcec5154a0f588614e5a7dde4334f2769bd247d0c909. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961831134.
  date published: 2026-07-02T03:55:08Z
audio: Die Zauberflöte, K. 620 / Act 2: "Der Hölle Rache kocht in meinem Herzen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.551
  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: 0.418
  additional property: Energy
    type: PropertyValue
    value: 0.273
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.921
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
    value: 0.184
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.247
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.689
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Zauberflöte, K. 620 / Act 2: "Tamino!"
type: MusicRecording
duration: PT1M13S
duration ms: 73146
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Rolando Villazón
by artist: Regula Mühlemann
by artist: Klaus Florian Vogt
in album: Mozart: Die Zauberflöte
  type: MusicAlbum
  date published: 2019-08-02
genre: classical
genre: classical-era
isrc code: DEN961831137
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:26:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3bd32e41b584913dfafacf4c2db489286df7e27d0eaa89b42fdde87e3d9072ff
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/DEN961831137
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bd32e41b584913dfafacf4c2db489286df7e27d0eaa89b42fdde87e3d9072ff. 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/DEN961831137.
  date published: 2026-07-08T03:22:41Z
audio: Die Zauberflöte, K. 620 / Act 2: "Tamino!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.285
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.582
  additional property: Energy
    type: PropertyValue
    value: 0.072
  additional property: Speechiness
    type: PropertyValue
    value: 0.42
  additional property: Acousticness
    type: PropertyValue
    value: 0.607
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.276
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.222
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.761
  additional property: Key Name
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    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Zauberflöte, K. 620 / Act 2: "Soll ich dich, Teurer, nicht mehr sehn?"
type: MusicRecording
duration: PT2M43S
duration ms: 163400
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Best of Der Freischütz (Hunter's Bride) [200 Years Anniversary 2021]
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Oblivión (Arr. for Trumpet & Orchestra by Bob Zimmerman)
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Violin Concerto in E-Flat Major, RV 253: III. Presto
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Concerto for Trumpet & Orchestra in A-Flat Major: III. Meno mosso
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Symphony No. 2 in E Minor: III. Un poco adagio cantabile
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Godzilla - Symphonic Fantasy: No. 7, Godzilla vs. Kingghidorah (Excerpt)
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On the Overgrown Path, Book 1, No. 7: Dobrou noc!
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3 Mélodies, Op. 7: No. 1, Après un rêve
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subject of: OpenTimestamps Proof of Existence
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Suite bergamasque, L. 75: No. 3, Clair de Lune (Arr. for Cello & Guitar by Isang Enders)
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subject of: OpenTimestamps Proof of Existence
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String Quartet No. 7 in F Major, Op. 59, No. 1 "Rasumovsky Quartet": IV. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
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Rossini: Petite Messe Solennelle
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T06:56:49Z
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track: Petite Messe solennelle: VI. Quoniam tu solus sanctus
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    date published: 2026-07-08T08:56:20Z
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track: Petite Messe solennelle: IX. Crucifixus
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OpenTimestamps Proof of Existence
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Petite Messe solennelle: VIII. Credo in unum Deo
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Petite Messe solennelle: IX. Crucifixus
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by artist: Bavarian Radio Chorus
by artist: Tal & Groethuysen
in album: Rossini: Petite Messe Solennelle
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Petite Messe solennelle: XI. Et vitam venturi saeculi
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Petite Messe solennelle: XII. Prélude religieux (pendant l'Offertoire)
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duration: PT6M48S
duration ms: 408600
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by artist: Gioachino Rossini
by artist: Tal & Groethuysen
in album: Rossini: Petite Messe Solennelle
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Petite Messe solennelle: XII. Prélude religieux (pendant l'Offertoire)
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Petite Messe solennelle: XIII. Ritournelle pour le Sanctus
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duration: PT0M33S
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by artist: Gioachino Rossini
by artist: Max Hanft
in album: Rossini: Petite Messe Solennelle
  type: MusicAlbum
  date published: 2014-04-14
genre: classical
genre: opera
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Petite Messe solennelle: XIII. Ritournelle pour le Sanctus
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Petite Messe solennelle: XIV. Sanctus
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duration: PT3M53S
duration ms: 233000
explicit: false
by artist: Gioachino Rossini
by artist: Regula Mühlemann
by artist: Anke Vondung
by artist: Eric Cutler
by artist: Michael Volle
by artist: Bavarian Radio Chorus
by artist: Tal & Groethuysen
in album: Rossini: Petite Messe Solennelle
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genre: classical
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6929968ea897ac25bf337d3e1f13a13a51bdf0a8e7e32a7cef6bd20cf56ccbbb. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEE861400074.
  date published: 2026-07-08T08:56:20Z
audio: Petite Messe solennelle: XIV. Sanctus
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Petite Messe solennelle: XVI. Agnus Dei
type: MusicRecording
duration: PT7M25S
duration ms: 445000
explicit: false
by artist: Gioachino Rossini
by artist: Anke Vondung
by artist: Bavarian Radio Chorus
by artist: Tal & Groethuysen
in album: Rossini: Petite Messe Solennelle
  type: MusicAlbum
  date published: 2014-04-14
genre: classical
genre: opera
isrc code: DEE861400076
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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Petite Messe solennelle: XVI. Agnus Dei
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Fairy Tales
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date published: 2022-10-07
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  by artist: Regula Mühlemann
  by artist: CHAARTS Chamber Artists
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    type: MusicAlbum
    date published: 2022-10-07
  genre: classical
  genre: german-romanticism
  genre: late-romantic-era
  genre: french-opera
  genre: french-romanticism
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
  audio: Die Rheinnixen: Komm zu uns und sing und tanze, "Barcarole" (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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track: La filleule des fées: The Pink Fairy (Arr. for Chamber Ensemble by Wolfgang Renz)
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Neue Liebe, Op. 19a, No. 4/ MWV K 70 (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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OpenTimestamps Proof of Existence
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Lamento della Ninfa, SV 163: Amor, amor (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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Neue Liebe, Op. 19a, No. 4/ MWV K 70 (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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Peer Gynt, Suite No. 2, Op. 55: I. Ingrid's Lament (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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Peer Gynt, Suite No. 2, Op. 55: IV. Solveig's Song (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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audio: Peer Gynt, Suite No. 2, Op. 55: IV. Solveig's Song (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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track: La Finta semplice, K. 51: Amoretti (Rosina)
track: Ah se in ciel, benigne stelle, K. 538

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE862001202

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

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc6d63893c9103899c5f6e420e3655cb72a903babdbc93adafcd9c34d161864b. 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/DEE862001202.
date published: 2026-07-08T03:20:19Z

Un moto di gioia mi sento, K. 579
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additional property: Tempo (BPM)
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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: 0.389
additional property: Energy
  type: PropertyValue
  value: 0.152
additional property: Speechiness
  type: PropertyValue
  value: 0.071
additional property: Acousticness
  type: PropertyValue
  value: 0.983
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.119
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.366
additional property: Loudness (dB)
  type: PropertyValue
  value: -17.744
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

La Finta semplice, K. 51: Amoretti (Rosina)
type: MusicRecording
duration: PT4M33S
duration ms: 273000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Regula Mühlemann
by artist: Umberto Benedetti Michelangeli
by artist: Kammerorchester Basel
in album: Mozart Arias II
  type: MusicAlbum
  date published: 2020-09-04
genre: classical
genre: classical-era
isrc code: DEE862001197
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE862001197
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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 0xdc330ecf346a748a7e1ccaa4e8a81f0c0aab00cbea31e73001aedc87589a17da. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEE862001197.
  date published: 2026-07-08T08:56:20Z
audio: La Finta semplice, K. 51: Amoretti (Rosina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.646
  additional property: Musical Key
    type: PropertyValue
    value: 11
  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: 0.235
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.318
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.111
  additional property: Loudness (dB)
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    type: PropertyValue
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Ah se in ciel, benigne stelle, K. 538
type: MusicRecording
duration: PT7M31S
duration ms: 451480
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Regula Mühlemann
by artist: Umberto Benedetti Michelangeli
by artist: Kammerorchester Basel
in album: Mozart Arias II
  type: MusicAlbum
  date published: 2020-09-04
genre: classical
genre: classical-era
isrc code: DEE862001203
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/0x1c1b4cd573b516f5ceb7c7c7e3f3a56c9ff91024762fcd7f5cc583f0bc06f160
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/DEE862001203
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c1b4cd573b516f5ceb7c7c7e3f3a56c9ff91024762fcd7f5cc583f0bc06f160. 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/DEE862001203.
  date published: 2026-07-08T03:22:41Z
audio: Ah se in ciel, benigne stelle, K. 538
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.753
  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: 0.378
  additional property: Energy
    type: PropertyValue
    value: 0.247
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.233
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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    type: PropertyValue
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Lieder der Heimat / Songs from Home
type: MusicAlbum
date published: 2019-11-08
track: Der Hirt auf dem Felsen, D. 965, Op. posth. 129
  type: MusicRecording
  duration: PT11M10S
  duration ms: 670986
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  by artist: Franz Schubert
  by artist: Regula Mühlemann
  by artist: Tatiana Korsunskaya
  by artist: Daniel Ottensamer
  in album: Lieder der Heimat / Songs from Home
    type: MusicAlbum
    date published: 2019-11-08
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: DEE861903077
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T11:27:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2d45f07a0f3d51dbdeb2c8889392c8900f9c8f600d5e67b3e66c67af524b8ff9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE861903077
  additional property: OTSTimestamp
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    value: 2026-07-08T08:56:20Z
  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 0x2d45f07a0f3d51dbdeb2c8889392c8900f9c8f600d5e67b3e66c67af524b8ff9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEE861903077.
    date published: 2026-07-08T08:56:20Z
  audio: Der Hirt auf dem Felsen, D. 965, Op. posth. 129
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
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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: Valence (Positivity)
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track: Der Knabe, D. 692
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  genre: classical-piano
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