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subject of: OpenTimestamps Proof of Existence
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album: Dvořák: Works for Cello & Orchestra
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album: Rossini: Overtures & Opera Arias
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      date published: 2001-07-27
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    genre: opera
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      date published: 2026-07-02T03:55:08Z
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album: Il Sogno del Cavaliere Inesistente: Suite for Bassoon and Orchestra - Pasolini il Poeta della Vita: Symphonic Poem
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album: Bassoon Works (Dedicated to Paolo Carlini)
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album: From the Bohemian Forest, Op. 68, B. 182: No. 5, Klid
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album: Rossini 50
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:22:41Z
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album: Music for the Moment: Elemental Earth
album: Music For The Moment: Autumn
album: Finest Music Selection: Elemental Earth
album: 55 Italian Classical Hits
album: Music for the Moment: Zodiac Gemini
album: Cavatinas
album: Dinner Music: Opera
album: Lucia Ronchetti: Action Music Pieces
album: Ronchetti: Action Music Pieces
album: Opera Duets
album: Paolo Marchettini: The Months Have Ends (Live)
album: Chopin: Piano Concertos Nos. 1 and 2
album: Echi D'Opera
album: Affinità Elettive
album: My Journey: Puccini's Symphonic Works
album: Holy Sea Vol.1
album: L'arlésienne
album: Chopin: Piano Concerto No. 2, Larghetto
album: Prokofiev: Pierino e il lupo (Live Version)
album: The Classical Mood (Bach, Mozart, Beethoven, Brahms, Scarlatti, Pergolesi, Bartok from the Novantiqua Records Catalogue)
album: LFO
album: Chill Classical Music
album: Ambrosini: Plurimo
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Opera - Världens vackraste arior / The Most Beautiful Arias in the World
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track: Bizet: Carmen, Act 1: Habanera. "L'amour est un oiseau rebelle" (Carmen, Chœur)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:47:07Z
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track: Bizet: Carmen, Act 2: "Votre toast, je peux vous le rendre" (Escamillo, Chorus)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:47:07Z
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track: Bizet: Carmen, WD 31, Act 2 Scene 5: No. 17, Cantabile, "La fleur que tu m'avais jetée" (Don José)
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track: Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
track: Die Zauberflöte, K.620, Act I: Der Vogelfänger bin ich ja
track: Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin)
track: Donizetti: Don Pasquale, Act 1: "Sogno soave e casto" (Ernesto, Pasquale)
track: Donizetti: Don Pasquale, Act 3: "Com' è gentil"
track: Leoncavallo: Pagliacci, Act 1 Scene 4: "Recitar! Mentre preso dal delirio … Vesti la giubba" (Canio)
track: Humperdinck: Hänsel und Gretel, Act 1: Tanzduett. "Brüderchen, komm tanz' mit mir" (Gretel, Hänsel)
track: Strauss, R: Der Rosenkavalier, Op. 59, Act II: "Ganz zu Befehl, Herr Kavalier" (Ochs, Annina)
track: Rossini: Il barbiere di Siviglia, Act 1: "La ran la le ra ... Largo al factotum della città" (Figaro)
track: Rossini: Il barbiere di Siviglia, Act 1 Scene 5: No. 9, Cavatina, "Una voce poco fa" (Rosina)
track: Verdi: Il trovatore, Act 4 Scene 1: "D'amor sull'ali rosee" (Leonora)
track: Puccini: La Bohème, Act 1: "Che gelida manina" (Rodolfo)
track: La Bohème (2002 Digital Remaster): Si, mi chiamano Mimi
track: La Bohème: Quando men vo (Musetta's Waltz Song) (Act II)
track: Catalani: La Wally, Act 1: "Ebben? ... Ne andrò lontana" (Wally)
track: Verdi: La Traviata, Act 1: "Libiamo ne' lieti calici" (Alfredo, Tutti, Violetta)
track: Mozart: Le nozze di Figaro, K. 492, Act 1: Aria. "Non più andrai" (Figaro)
track: Le nozze di Figaro, Act II: Aria: Porgi amor
track: Mozart: Le nozze di Figaro, K. 492, Act 3: Duettino. "Sull'aria" (La Contessa, Susanna)
track: Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
track: Flotow: Martha, Act 3: "Ach, so fromm, ach, so traut"
track: Gualtier Maldè!... Caro Nome, Gildas Aria, Ur Rigoletto, Akt I
track: Verdi: Rigoletto, Act III: "La donna è mobile"
track: Rigoletto, Act III: Bella figlia dell'amore (Duca/Maddalena/Gilda/Rigoletto)
track: Dvořák: Rusalka, Op. 114, B. 203, Act 1: "Mesicku na nebi hlubokém" (Rusalka)
track: Charpentier, G.: Louise, Act 3 Scene 1: "Depuis le jour où je me suis donnée" (Louise)
track: Puccini: Tosca, Act 2 Scene 5: "Vissi d'arte, vissi d'amore" (Tosca)
track: Puccini: Tosca, Act III: E lucevan le stelle (Cavaradossi)
track: Korngold: Die tote Stadt, Op. 12, Act I: Lied. "Glück, das mir verblied" (Marietta)
track: Les Contes d'Hoffmann (1989 Digital Remaster), Act III: Entr'acte et Barcarolle: Belle nuit, ô nuit d'amour (Une voix/Giulietta/Choeurs)
track: Donizetti: L'Elisir d'amore, Act 2: Una furtiva lagrima
track: La Gioconda (2000 Digital Remaster): Cielo e mar! (Act II)
track: Puccini: Turandot, Act 1: "Signore, ascolta" (Liù)
track: Nessun Dorma - 1989 Remastered Version

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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

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type: DigitalDocument
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date published: 2026-06-13T12:47:07Z

Bizet: Carmen, WD 31, Act 2 Scene 5: No. 17, Cantabile, "La fleur que tu m'avais jetée" (Don José)
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Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Die Zauberflöte, K.620, Act I: Der Vogelfänger bin ich ja
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by artist: Waldemar Kmentt
by artist: André von Mattoni
by artist: Norman Bailey
by artist: Erich Kunz
by artist: Roland Bracht
by artist: Wolfgang Brendel
by artist: Siegfried Jerusalem
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by artist: Bavarian Radio Symphony Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin)
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duration: PT2M51S
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Donizetti: Don Pasquale, Act 1: "Sogno soave e casto" (Ernesto, Pasquale)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Donizetti: Don Pasquale, Act 3: "Com' è gentil"
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Leoncavallo: Pagliacci, Act 1 Scene 4: "Recitar! Mentre preso dal delirio … Vesti la giubba" (Canio)
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by artist: Jussi Björling
by artist: Victoria de los Ángeles
by artist: Robert Shaw Chorale
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by artist: RCA Victor Orchestra
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by artist: Renato Cellini
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genre: italian-opera
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  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T19:24:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58693dbd6da24246c1fd65f56baf9cf2ba4cc63bea6b2a6306d5c71b0592febd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9802677
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58693dbd6da24246c1fd65f56baf9cf2ba4cc63bea6b2a6306d5c71b0592febd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9802677 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Leoncavallo: Pagliacci, Act 1 Scene 4: "Recitar! Mentre preso dal delirio … Vesti la giubba" (Canio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 62.537
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.118
  additional property: Energy
    type: PropertyValue
    value: 0.361
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.86
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.431
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.1
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.941
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Humperdinck: Hänsel und Gretel, Act 1: Tanzduett. "Brüderchen, komm tanz' mit mir" (Gretel, Hänsel)
type: MusicRecording
duration: PT3M38S
duration ms: 218600
explicit: false
by artist: Engelbert Humperdinck
by artist: Herbert von Karajan
by artist: Elisabeth Grümmer
by artist: Elisabeth Schwarzkopf
by artist: Philharmonia Orchestra
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: opera
isrc code: GBAYC9900240
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T21:34:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d2dd4035067716863fc5b809e0f0757201cc46757b7f2cdb10c0fe7a20ff8d8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9900240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d2dd4035067716863fc5b809e0f0757201cc46757b7f2cdb10c0fe7a20ff8d8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9900240 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Humperdinck: Hänsel und Gretel, Act 1: Tanzduett. "Brüderchen, komm tanz' mit mir" (Gretel, Hänsel)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.283
  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: 0.597
  additional property: Energy
    type: PropertyValue
    value: 0.211
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.914
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.702
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.547
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.346
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Strauss, R: Der Rosenkavalier, Op. 59, Act II: "Ganz zu Befehl, Herr Kavalier" (Ochs, Annina)
type: MusicRecording
duration: PT3M5S
duration ms: 185493
explicit: false
by artist: Richard Strauss
by artist: Otto Edelmann
by artist: Kerstin Meyer
by artist: Philharmonia Orchestra
by artist: Herbert von Karajan
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: classical
genre: opera
genre: orchestra
isrc code: GBAYC0101350
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T18:22:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9347a45976abb7007695c7dd74bf6b39c41e88298e127b7278fd6e2084cce2f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0101350
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9347a45976abb7007695c7dd74bf6b39c41e88298e127b7278fd6e2084cce2f1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0101350 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Strauss, R: Der Rosenkavalier, Op. 59, Act II: "Ganz zu Befehl, Herr Kavalier" (Ochs, Annina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.519
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.176
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.907
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.021
  additional property: Liveness
    type: PropertyValue
    value: 0.37
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.074
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.324
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rossini: Il barbiere di Siviglia, Act 1: "La ran la le ra ... Largo al factotum della città" (Figaro)
type: MusicRecording
duration: PT4M20S
duration ms: 260346
explicit: false
by artist: Gioachino Rossini
by artist: Gianluigi Gelmetti
by artist: Thomas Hampson
by artist: Orchestra Della Toscana
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: classical
genre: opera
isrc code: GBAYC9200973
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T21:31:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ae14eea26dd255da478d0aa7a28ca67ca0c2c63e2e4988854a6be2a4e8e216c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200973
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ae14eea26dd255da478d0aa7a28ca67ca0c2c63e2e4988854a6be2a4e8e216c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200973 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Rossini: Il barbiere di Siviglia, Act 1: "La ran la le ra ... Largo al factotum della città" (Figaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 68.661
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.421
  additional property: Energy
    type: PropertyValue
    value: 0.277
  additional property: Speechiness
    type: PropertyValue
    value: 0.084
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.022
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.475
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.479
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rossini: Il barbiere di Siviglia, Act 1 Scene 5: No. 9, Cavatina, "Una voce poco fa" (Rosina)
type: MusicRecording
duration: PT6M56S
duration ms: 416893
explicit: false
by artist: Gioachino Rossini
by artist: Philharmonia Orchestra
by artist: Maria Callas
by artist: Tullio Serafin
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: classical
genre: opera
isrc code: GBAYC9704709
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T21:32:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x320188892842af3255aff5b2b10010105d195e67482ee4085e72877ebebb2532
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704709
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x320188892842af3255aff5b2b10010105d195e67482ee4085e72877ebebb2532. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704709 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Rossini: Il barbiere di Siviglia, Act 1 Scene 5: No. 9, Cavatina, "Una voce poco fa" (Rosina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.387
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.418
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.255
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.712
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: Il trovatore, Act 4 Scene 1: "D'amor sull'ali rosee" (Leonora)
type: MusicRecording
duration: PT4M7S
duration ms: 247626
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Herbert von Karajan
by artist: Tullio Serafin
by artist: Philharmonia Orchestra
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: classical
genre: opera
isrc code: ITD008700124
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T18:08:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x59ecad9849066405b79c6b0ded47ecb0cb5637492a46b6a8ede3d26a3c64d2ff
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD008700124
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ecad9849066405b79c6b0ded47ecb0cb5637492a46b6a8ede3d26a3c64d2ff. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD008700124 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Verdi: Il trovatore, Act 4 Scene 1: "D'amor sull'ali rosee" (Leonora)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 77.72
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.271
  additional property: Energy
    type: PropertyValue
    value: 0.122
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.175
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.046
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.693
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: La Bohème, Act 1: "Che gelida manina" (Rodolfo)
type: MusicRecording
duration: PT5M10S
duration ms: 310706
explicit: false
by artist: Giacomo Puccini
by artist: Jussi Björling
by artist: RCA Victor Orchestra
by artist: Sir Thomas Beecham
by artist: RCA Victor Symphony Orchestra
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
isrc code: GBAYC9803691
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T21:34:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22f9873cbef306f859ac9ebc7b85c2959bdd9b5a492dd64bf67a791b69d664bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9803691
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-06-13T12:47:07Z
audio: Puccini: La Bohème, Act 1: "Che gelida manina" (Rodolfo)
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  additional property: Danceability
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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La Bohème (2002 Digital Remaster): Si, mi chiamano Mimi
type: MusicRecording
duration: PT5M18S
duration ms: 318333
explicit: false
by artist: Giacomo Puccini
by artist: London Symphony Orchestra
by artist: Montserrat Caballé
by artist: Sir Charles Mackerras
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
isrc code: GBAYC0202827
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/0x89034e115e320e883e9648b0360ed190e763f1f081dd47d9288af5ab94313dd1
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0202827
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89034e115e320e883e9648b0360ed190e763f1f081dd47d9288af5ab94313dd1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0202827 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: La Bohème (2002 Digital Remaster): Si, mi chiamano Mimi
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Liveness
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La Bohème: Quando men vo (Musetta's Waltz Song) (Act II)
type: MusicRecording
duration: PT2M35S
duration ms: 155213
explicit: false
by artist: Giacomo Puccini
by artist: Ghena Dimitrova
by artist: Philharmonia Orchestra
by artist: Anton Guadagno
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
isrc code: GBAYC8802718
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51718e9e499657668626b3817615a2a45de969cc413bcc80e76148e41ab8d93d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8802718
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51718e9e499657668626b3817615a2a45de969cc413bcc80e76148e41ab8d93d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8802718 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: La Bohème: Quando men vo (Musetta's Waltz Song) (Act II)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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Catalani: La Wally, Act 1: "Ebben? ... Ne andrò lontana" (Wally)
type: MusicRecording
duration: PT4M49S
duration ms: 289933
explicit: false
by artist: Alfredo Catalani
by artist: Maria Callas
by artist: Tullio Serafin
by artist: Philharmonia Orchestra
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: opera
isrc code: GBAYC8600264
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T21:35:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2450b0e18ecdaac54b36939f453510ee60640eafae2c93d22c5300293929f103
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600264
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2450b0e18ecdaac54b36939f453510ee60640eafae2c93d22c5300293929f103. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600264 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Catalani: La Wally, Act 1: "Ebben? ... Ne andrò lontana" (Wally)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
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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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Verdi: La Traviata, Act 1: "Libiamo ne' lieti calici" (Alfredo, Tutti, Violetta)
type: MusicRecording
duration: PT3M2S
duration ms: 182640
explicit: false
by artist: Giuseppe Verdi
by artist: Aldo Ceccato
by artist: Beverly Sills
by artist: Delia Wallis
by artist: Keith Erwen
by artist: Mario Carlin
by artist: Mirella Fiorentini
by artist: Nicolai Gedda
by artist: Richard van Allan
by artist: Robert Lloyd
by artist: Rolando Panerai
by artist: Terence Sharpe
by artist: William Elvin
by artist: Royal Philharmonic Orchestra
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: classical
genre: opera
isrc code: GBAYC8803163
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/0x16403502fb821502033a6e78820a0c52d9ea48713dc36db7b9c2e77dcc88363f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8803163
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16403502fb821502033a6e78820a0c52d9ea48713dc36db7b9c2e77dcc88363f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8803163 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Verdi: La Traviata, Act 1: "Libiamo ne' lieti calici" (Alfredo, Tutti, Violetta)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 71.197
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.429
  additional property: Energy
    type: PropertyValue
    value: 0.308
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.667
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.311
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.072
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Le nozze di Figaro, K. 492, Act 1: Aria. "Non più andrai" (Figaro)
type: MusicRecording
duration: PT3M41S
duration ms: 221066
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Thomas Allen
by artist: Wiener Philharmoniker
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC8600643
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T19:43:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x218f4c74b962d10aa06d6968093120fa4da092cace86be478214f9c676201e6d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600643
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x218f4c74b962d10aa06d6968093120fa4da092cace86be478214f9c676201e6d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600643 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 1: Aria. "Non più andrai" (Figaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.672
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.455
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.161
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.418
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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Le nozze di Figaro, Act II: Aria: Porgi amor
type: MusicRecording
duration: PT3M50S
duration ms: 230333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Lucia Popp
by artist: Munich Radio Orchestra
by artist: Leonard Slatkin
by artist: Muenchner Rundfunkorchester
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEA348302007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T18:22:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd781273da65c189d63872a647b3e1b819cc1207a0010f90e3a48cf1eaa794078
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA348302007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd781273da65c189d63872a647b3e1b819cc1207a0010f90e3a48cf1eaa794078. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA348302007 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Le nozze di Figaro, Act II: Aria: Porgi amor
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.079
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.254
  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: -18.323
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Mozart: Le nozze di Figaro, K. 492, Act 3: Duettino. "Sull'aria" (La Contessa, Susanna)
type: MusicRecording
duration: PT2M28S
duration ms: 148373
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Kathleen Battle
by artist: Margaret Price
by artist: Wiener Philharmoniker
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC8600677
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
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600677
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-06-13T12:47:07Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 3: Duettino. "Sull'aria" (La Contessa, Susanna)
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Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
type: MusicRecording
duration: PT4M44S
duration ms: 284253
explicit: false
by artist: Giacomo Puccini
by artist: Sir John Barbirolli
by artist: Renata Scotto
by artist: Orchestra Del Teatro Dell'Opera Di Roma
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
isrc code: GBAYC0201550
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dac9bfaea215d14a084909a3760978c23f42a8f546e175e75273e7a72906c04. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0201550 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
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Flotow: Martha, Act 3: "Ach, so fromm, ach, so traut"
type: MusicRecording
duration: PT2M59S
duration ms: 179840
explicit: false
by artist: Friedrich von Flotow
by artist: Rolando Villazón
by artist: Munich Radio Orchestra
by artist: Michel Plasson
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
isrc code: GBAYC0501614
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
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-06-13T12:47:07Z
audio: Flotow: Martha, Act 3: "Ach, so fromm, ach, so traut"
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Gualtier Maldè!... Caro Nome, Gildas Aria, Ur Rigoletto, Akt I
type: MusicRecording
duration: PT4M22S
duration ms: 262026
explicit: false
by artist: Giuseppe Verdi
by artist: Margareta Hallin
by artist: Norrköping Symphony Orchestra
by artist: Ulf Bjorlin
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
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genre: classical
genre: opera
isrc code: SEAMF7100025
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf186a01f9265668cc33c9b1a25afa2d5df5a4a26892cb8ae28a6b81e9251277. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAMF7100025 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Gualtier Maldè!... Caro Nome, Gildas Aria, Ur Rigoletto, Akt I
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Verdi: Rigoletto, Act III: "La donna è mobile"
type: MusicRecording
duration: PT2M38S
duration ms: 158866
explicit: false
by artist: Giuseppe Verdi
by artist: Giuseppe Di Stefano
by artist: Tullio Serafin
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
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genre: classical
genre: opera
isrc code: GBAYC9702304
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d712315e6303a69438b5c3f3467e8d736b857e5fb9127c64d498d99fa43f0f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9702304 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Verdi: Rigoletto, Act III: "La donna è mobile"
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Rigoletto, Act III: Bella figlia dell'amore (Duca/Maddalena/Gilda/Rigoletto)
type: MusicRecording
duration: PT4M49S
duration ms: 289226
explicit: false
by artist: Giuseppe Verdi
by artist: Giuseppe Di Stefano
by artist: Adriana Lazzarini
by artist: Maria Callas
by artist: Tito Gobbi
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Tullio Serafin
by artist: Orchestra Del Teatro Alla Scala Di Milan
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: classical
genre: opera
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additional property: CopyrightID
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additional property: CopyrightChainExplorerURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b79682f7c1ffa5fe7a28c11e0292c3abaf969d480a9cea80c0d2ddaa7294924. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9702306 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Rigoletto, Act III: Bella figlia dell'amore (Duca/Maddalena/Gilda/Rigoletto)
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  additional property: Danceability
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  additional property: Valence (Positivity)
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Dvořák: Rusalka, Op. 114, B. 203, Act 1: "Mesicku na nebi hlubokém" (Rusalka)
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duration: PT5M55S
duration ms: 355480
explicit: false
by artist: Antonín Dvořák
by artist: Lucia Popp
by artist: Stefan Soltesz
by artist: Munich Radio Orchestra
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  date published: 2013-03-15
genre: classical
genre: late-romantic-era
genre: czech-classical
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd69cc9d536fe3f372cbade7ba1fecce7bfad91176cbe40ce933587dfb13703f2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8700951 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Dvořák: Rusalka, Op. 114, B. 203, Act 1: "Mesicku na nebi hlubokém" (Rusalka)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.586
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.227
  additional property: Energy
    type: PropertyValue
    value: 0.081
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.191
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Charpentier, G.: Louise, Act 3 Scene 1: "Depuis le jour où je me suis donnée" (Louise)
type: MusicRecording
duration: PT4M49S
duration ms: 289066
explicit: false
by artist: Gustave Charpentier
by artist: Angela Gheorghiu
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Richard Armstrong
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: opera
isrc code: GBAYC9500724
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T21:31:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x48ee1a920574fa4a2cbba8205e6808016867281334efccca0e50996c351af011
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9500724
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48ee1a920574fa4a2cbba8205e6808016867281334efccca0e50996c351af011. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9500724 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Charpentier, G.: Louise, Act 3 Scene 1: "Depuis le jour où je me suis donnée" (Louise)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 86.743
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.214
  additional property: Energy
    type: PropertyValue
    value: 0.044
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.013
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.492
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 2 Scene 5: "Vissi d'arte, vissi d'amore" (Tosca)
type: MusicRecording
duration: PT3M17S
duration ms: 197360
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Victor de Sabata
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
isrc code: GBAYC0202627
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T20:50:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7af4aae47d48dd2491e35a603b7efe9c7c761fb09be10cede821ddec8755433e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0202627
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7af4aae47d48dd2491e35a603b7efe9c7c761fb09be10cede821ddec8755433e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0202627 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Puccini: Tosca, Act 2 Scene 5: "Vissi d'arte, vissi d'amore" (Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 85.835
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.195
  additional property: Energy
    type: PropertyValue
    value: 0.181
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.041
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.336
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act III: E lucevan le stelle (Cavaradossi)
type: MusicRecording
duration: PT3M14S
duration ms: 194440
explicit: false
by artist: Giacomo Puccini
by artist: Plácido Domingo
by artist: James Levine
by artist: Philharmonia Orchestra
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
isrc code: GBAYC8000202
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T19:23:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8344fd7e091c27f3d852a5f2f0028d6613bf1e5b8efd0b790622209be32163cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000202
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8344fd7e091c27f3d852a5f2f0028d6613bf1e5b8efd0b790622209be32163cc. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000202 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Puccini: Tosca, Act III: E lucevan le stelle (Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 76.833
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.133
  additional property: Energy
    type: PropertyValue
    value: 0.134
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.039
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.258
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Korngold: Die tote Stadt, Op. 12, Act I: Lied. "Glück, das mir verblied" (Marietta)
type: MusicRecording
duration: PT5M38S
duration ms: 338160
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Kiri Te Kanawa
by artist: Philharmonia Orchestra
by artist: Julius Rudel
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: early-modern-classical
genre: classic-soundtrack
isrc code: GBAYC9702016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T19:44:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ee59fedcb1e4bd10e4d770e6d4a6a79e0d5ef80a00d127a30dbf7790038ecc7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9702016
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ee59fedcb1e4bd10e4d770e6d4a6a79e0d5ef80a00d127a30dbf7790038ecc7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9702016 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Korngold: Die tote Stadt, Op. 12, Act I: Lied. "Glück, das mir verblied" (Marietta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 74.955
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.137
  additional property: Energy
    type: PropertyValue
    value: 0.132
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.828
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.298
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Contes d'Hoffmann (1989 Digital Remaster), Act III: Entr'acte et Barcarolle: Belle nuit, ô nuit d'amour (Une voix/Giulietta/Choeurs)
type: MusicRecording
duration: PT3M49S
duration ms: 229066
explicit: false
by artist: Jacques Offenbach
by artist: Nicolai Gedda
by artist: Elisabeth Schwarzkopf
by artist: Victoria de los Ángeles
by artist: Gianna D'Angelo
by artist: Christiane Gayraud
by artist: Jacques Pruvost
by artist: Robert Geay
by artist: George London
by artist: Michel Sénéchal
by artist: Jean Christophe Benoit
by artist: Jean-Pierre Laffage
by artist: Nicola Ghiuselev
by artist: André Mallabrera
by artist: Ernest Blanc
by artist: Renée Faure
by artist: André Cluytens
by artist: Orchestre De La Société Des Concerts Du Conservatoire
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: GBAYC8900746
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T18:21:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb77227d7be299345ba146e061bcf0bad181d1358f734641f748ca493c7609c23
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8900746
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb77227d7be299345ba146e061bcf0bad181d1358f734641f748ca493c7609c23. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8900746 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Les Contes d'Hoffmann (1989 Digital Remaster), Act III: Entr'acte et Barcarolle: Belle nuit, ô nuit d'amour (Une voix/Giulietta/Choeurs)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.749
  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: 0.201
  additional property: Energy
    type: PropertyValue
    value: 0.064
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.897
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.084
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.455
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Donizetti: L'Elisir d'amore, Act 2: Una furtiva lagrima
type: MusicRecording
duration: PT3M55S
duration ms: 235560
explicit: false
by artist: Gaetano Donizetti
by artist: Philharmonia Orchestra
by artist: Alceo Galliera
in album: Opera - Världens vackraste arior / The Most Beautiful Arias in the World
  type: MusicAlbum
  date published: 2013-03-15
genre: opera
isrc code: GBAYC0001590
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T19:45:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb147c3d0866d5f9337095ddae77eb899c1dc3cb9fa3dc50e4fd2b851978072c9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001590
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb147c3d0866d5f9337095ddae77eb899c1dc3cb9fa3dc50e4fd2b851978072c9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001590 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
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La Gioconda (2000 Digital Remaster): Cielo e mar! (Act II)
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duration: PT4M32S
duration ms: 272640
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by artist: Amilcare Ponchielli
by artist: Nicolai Gedda
by artist: Philharmonia Orchestra
by artist: Alceo Galliera
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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: 2026-06-13T12:47:07Z
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Puccini: Turandot, Act 1: "Signore, ascolta" (Liù)
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by artist: Kiri Te Kanawa
by artist: London Symphony Orchestra
by artist: Myung-Whun Chung
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Nessun Dorma - 1989 Remastered Version
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by artist: Giacomo Puccini
by artist: José Carreras
by artist: Alain Lombard
by artist: Choeurs De L'Opera Du Rhin
by artist: Orchestre Philharmonique De Strasbourg
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Nessun Dorma - 1989 Remastered Version
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Music for the Moment: Elemental Earth
type: MusicAlbum
date published: 2009-07-13

Music For The Moment: Autumn
type: MusicAlbum
date published: 2009-09-28

Finest Music Selection: Elemental Earth
type: MusicAlbum
date published: 2011-03-06

55 Italian Classical Hits
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T01:32:48Z
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track: Stabat Mater, P. 77: I. Stabat Mater dolorosa
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  genre: choral
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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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Music for the Moment: Zodiac Gemini
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date published: 2009-05-11

Cavatinas
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date published: 2018-08-22

Dinner Music: Opera
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track: Rigoletto, Act III: La donna è mobile
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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: Tosca, S. 69: Vissi d'arte
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  audio: La Bohème, Act I: O soave fanciulla (Rodolfo, Marcello, Mimì)
track: Carmen, WD. 31, Act I: Quand je vous aimerai?...L'amour est un oiseau rebelle
track: Il Barbiere di Siviglia, Act I: La ran le lerea ... Largo al factotum (Figaro)
track: Le Nozze di Figaro, K. 492, Act II: Voi che sapete (Cherubino)
track: Cosi fan Tutte, K. 588, Act I: Soave sia il vento (Fiordiligi/Dorabella/Don Alfonso)

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

La Bohème, Act I: O soave fanciulla (Rodolfo, Marcello, Mimì)
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Carmen, WD. 31, Act I: Quand je vous aimerai?...L'amour est un oiseau rebelle
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subject of: OpenTimestamps Proof of Existence
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Il Barbiere di Siviglia, Act I: La ran le lerea ... Largo al factotum (Figaro)
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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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Le Nozze di Figaro, K. 492, Act II: Voi che sapete (Cherubino)
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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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Cosi fan Tutte, K. 588, Act I: Soave sia il vento (Fiordiligi/Dorabella/Don Alfonso)
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subject of: OpenTimestamps Proof of Existence
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Lucia Ronchetti: Action Music Pieces
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Ronchetti: Action Music Pieces
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Opera Duets
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  subject of: OpenTimestamps Proof of Existence
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track: La traviata, Act I: Un di, felice, eterea
track: La bohème, SC 67, Act I: O soave fanciulla (Rodolfo, Marcello, Mimì)
track: Le nozze di Figaro, K. 492, Act III: Crudel! Perché finora farmi languir cosi? (Conte, Susanna)

Michel Sénéchal
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OpenTimestamps Proof of Existence
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date published: 2026-06-13T12:47:07Z

Les Contes d'Hoffmann, Act II: Belle nuit, ô nuit d'amour (Barcarolle)
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La traviata, Act I: Un di, felice, eterea
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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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Le nozze di Figaro, K. 492, Act III: Crudel! Perché finora farmi languir cosi? (Conte, Susanna)
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subject of: OpenTimestamps Proof of Existence
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Echi D'Opera
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Affinità Elettive
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date published: 2021-05-01

My Journey: Puccini's Symphonic Works
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Holy Sea Vol.1
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L'arlésienne
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Chopin: Piano Concerto No. 2, Larghetto
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Prokofiev: Pierino e il lupo (Live Version)
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date published: 2017-02-17

The Classical Mood (Bach, Mozart, Beethoven, Brahms, Scarlatti, Pergolesi, Bartok from the Novantiqua Records Catalogue)
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date published: 2022-04-03

LFO
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date published: 2023-01-27

Chill Classical Music
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date published: 2023-06-30

Ambrosini: Plurimo
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Ciò che rimane
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date published: 2023-02-20