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genre: opera
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album: Bartholomée: Œdipe sur la route
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album: Britten: A Midsummer Night's Dream
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album: A Round-Up of NMC
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album: J'aime pas le classique mais ca j'aime bien
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album: Je n'aime pas le classique, mais ça j'aime bien !
album: Ich mag keine Klassik, aber das gefällt mir!
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album: Alexander Goehr: Arianna, Op. 58 (Live)
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Carmina Burana: Fortuna imperatrix mundi: O Fortuna
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Die Walküre, WWV 86B: Walkürenritt
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Carmen, WD 31: Overture
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subject of: OpenTimestamps Proof of Existence
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audio: Carmen, WD 31: Overture
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Mandolin Concerto in C Major, RV 425: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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audio: Mandolin Concerto in C Major, RV 425: I. Allegro
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The Nutcracker, Op. 71: No. 12, Divertissement: Dance of the Flutes
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: The Nutcracker, Op. 71: No. 12, Divertissement: Dance of the Flutes
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Requiem in D Minor, K. 626: III. Dies irae
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subject of: OpenTimestamps Proof of Existence
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audio: Requiem in D Minor, K. 626: III. Dies irae
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Nabucco: Va, pensiero, sull'ali dorate (Chorus of the Hebrew Slaves)
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  date published: 2026-07-02T03:55:08Z
audio: Nabucco: Va, pensiero, sull'ali dorate (Chorus of the Hebrew Slaves)
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Suite No. 2 for Jazz Orchestra: VII. Waltz II
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Coppélia: Coppélia, Act I: Valse Lente
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duration ms: 56360
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by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Mark Ermler
in album: J'aime pas le classique mais ca j'aime bien
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popularity: 18
genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37caa8368a37dd31431ed6ab8bf447d513826c0973fbbbd90e26c45bc1738950. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARU9300058.
  date published: 2026-07-02T03:30:09Z
audio: Coppélia: Coppélia, Act I: Valse Lente
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Hungarian Dances, WoO 1: No. 1 in G Minor
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duration: PT3M10S
duration ms: 190533
explicit: false
by artist: Johannes Brahms
by artist: Cristian Mandeal
by artist: George Enescu Philharmonic Orchestra, Bucharest
in album: J'aime pas le classique mais ca j'aime bien
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  date published: 2008-12-12
popularity: 16
genre: classical
genre: german-romanticism
genre: late-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Hungarian Dances, WoO 1: No. 1 in G Minor
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Suite for Orchestra No. 3 in D Major, BWV 1068: II. Air
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duration: PT5M12S
duration ms: 312853
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by artist: Johann Sebastian Bach
by artist: Rudolf Baumgartner
by artist: Lucerne Festival Strings
in album: J'aime pas le classique mais ca j'aime bien
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popularity: 15
genre: classical
genre: classical-piano
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Suite for Orchestra No. 3 in D Major, BWV 1068: II. Air
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L'invitation au château, FP 138: Acte 2: Tango
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duration: PT1M44S
duration ms: 104586
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by artist: Francis Poulenc
by artist: Eric Le Sage
by artist: Paul Meyer
by artist: Kolja Blacher
in album: J'aime pas le classique mais ca j'aime bien
  type: MusicAlbum
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popularity: 17
genre: classical
genre: early-modern-classical
genre: neoclassicism
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: L'invitation au château, FP 138: Acte 2: Tango
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  additional property: Tempo (BPM)
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Requiem in D Minor, K. 626: VIII. Lacrimosa
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duration: PT3M15S
duration ms: 195546
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Colin Davis
by artist: Uwe Heilmann
by artist: Jan-Hendrik Rootering
by artist: Marjana Lipovsek
by artist: Angela Maria Blasi
in album: J'aime pas le classique mais ca j'aime bien
  type: MusicAlbum
  date published: 2008-12-12
popularity: 13
genre: classical
genre: classical-era
isrc code: USBC19100373
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Requiem in D Minor, K. 626: VIII. Lacrimosa
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Gitanerías
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duration: PT1M46S
duration ms: 106173
explicit: false
by artist: Ernesto Lecuona
by artist: Morton Gould
by artist: Morton Gould Orchestra
in album: J'aime pas le classique mais ca j'aime bien
  type: MusicAlbum
  date published: 2008-12-12
popularity: 15
isrc code: USBC15500272
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Gitanerías
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  additional property: Acousticness
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Suite Bergamasque, L. 75: III. Clair de lune
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duration: PT4M28S
duration ms: 268453
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by artist: Claude Debussy
by artist: Arthur Fiedler
by artist: Boston Pops Orchestra
in album: J'aime pas le classique mais ca j'aime bien
  type: MusicAlbum
  date published: 2008-12-12
popularity: 13
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: USBC16300105
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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Requiem: Dies Irae
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by artist: Sir Georg Solti
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Requiem: Dies Irae
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Rhapsody on a Theme of Paganini, Op. 43: Variation XVIII: Andante Cantabile
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Rhapsody on a Theme of Paganini, Op. 43: Variation XVIII: Andante Cantabile
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Gayane Suite No. 3: 5. Sabre Dance
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Gayane Suite No. 3: 5. Sabre Dance
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Tales of Hoffmann: Barcarolle
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  date published: 2026-06-13T17:25:41Z
audio: Tales of Hoffmann: Barcarolle
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Má vlast, JB 1:112: II. Vltava, "The Moldau"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Má vlast, JB 1:112: II. Vltava, "The Moldau"
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William Tell Overture
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by artist: Boston Pops Orchestra
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popularity: 13
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: William Tell Overture
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Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
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subject of: OpenTimestamps Proof of Existence
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audio: Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
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Il Trovatore: Vedi! Le fosche
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Canon & Gigue in D Major, P. 37: Canon
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Romeo and Juliet, Op. 64: No. 13 Dance of the Knights
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audio: Romeo and Juliet, Op. 64: No. 13 Dance of the Knights
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La Traviata: Noi siamo zingarelle
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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  date published: 2026-07-02T03:55:08Z
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Masquerade Suite: I. Waltz
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Swan Lake, Op. 20: Op. 20: Act IV No. 29, Scène Finale
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Swan Lake, Op. 20: Op. 20: Act IV No. 29, Scène Finale
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Die Zauberflöte, K. 620: Act II: Der Hölle Rache
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by artist: Staatskapelle Dresden
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Die Zauberflöte, K. 620: Act II: Der Hölle Rache
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Rigoletto: Scorrende unite
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by artist: Sir Georg Solti
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by artist: RCA Italiana Opera Orchestra
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Rigoletto: Scorrende unite
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Tsar Saltan, Op. 57: Flight of the Bumblebee
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by artist: André Previn
by artist: London Symphony Orchestra
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popularity: 16
genre: classical
genre: late-romantic-era
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genre: russian-romanticism
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Tsar Saltan, Op. 57: Flight of the Bumblebee
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Le Quattro Stagioni: Violin Concerto No. 4 in F Minor, RV 297 "L'Inverno": I. Allegro non molto
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by artist: Moscow Virtuosi
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popularity: 19
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Le Quattro Stagioni: Violin Concerto No. 4 in F Minor, RV 297 "L'Inverno": I. Allegro non molto
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Il barbiere di Siviglia: Io sono docile
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by artist: Metropolitan Opera Orchestra
by artist: Metropolitan Opera Chorus
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popularity: 16
genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Il barbiere di Siviglia: Io sono docile
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L'Arlésienne Suite No. 2: Farandole
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by artist: Boston Pops Orchestra
by artist: Ernest Guiraud
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popularity: 12
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: L'Arlésienne Suite No. 2: Farandole
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Pavane in F-Sharp Minor, Op. 50
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by artist: National Philharmonic Orchestra
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subject of: OpenTimestamps Proof of Existence
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Orchestral Suite No. 2 in B Minor, BWV 1067: Menuet and Badinerie
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subject of: OpenTimestamps Proof of Existence
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The Carnival of the Animals, R. 125: VII. Aquarium
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  date published: 2026-07-02T03:55:08Z
audio: The Carnival of the Animals, R. 125: VII. Aquarium
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Gnossienne No. 1
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Madama Butterfly: Act II: Un bel di vedremo
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audio: Madama Butterfly: Act II: Un bel di vedremo
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Cavalleria rusticana: Act I: Intermezzo sinfonico
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Trois Gymnopédies: Gymnopédie No. 1 in D Major: Lent et douloureux
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Je n'aime pas le classique, mais ça j'aime bien !
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track: Also sprach Zarathustra, Op. 30: Sonnenaufgang
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subject of: OpenTimestamps Proof of Existence
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audio: Hungarian Dances, WoO 1: No. 1 in G Minor
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L'invitation au château, FP 138: Acte 2: Tango
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: L'invitation au château, FP 138: Acte 2: Tango
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Gitanerías
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subject of: OpenTimestamps Proof of Existence
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Requiem: Dies Irae
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Requiem: Dies Irae
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Gayane Suite No. 3: 5. Sabre Dance
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audio: Gayane Suite No. 3: 5. Sabre Dance
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Má vlast, JB 1:112: II. Vltava, "The Moldau"
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  date published: 2026-07-02T03:55:08Z
audio: Má vlast, JB 1:112: II. Vltava, "The Moldau"
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Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
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Canon & Gigue in D Major, P. 37: Canon
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ae7e70f0eba2955238a0a5f5415697232e0aabf78d2248d9e4fde30a33c5df. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19606252.
  date published: 2026-07-06T07:16:32Z
audio: Canon & Gigue in D Major, P. 37: Canon
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La Traviata: Noi siamo zingarelle
type: MusicRecording
duration: PT2M53S
duration ms: 173720
explicit: false
by artist: Giuseppe Verdi
by artist: RCA Italiana Opera Chorus
by artist: Georges Prêtre
by artist: RCA Italiana Opera Orchestra
by artist: Thomas Jamerson
by artist: Harold Enns
in album: Je n'aime pas le classique, mais ça j'aime bien !
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  date published: 2010-08-02
genre: classical
genre: opera
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16700387
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fb7fcff2d0620cb061efc0ee344b051a019747bc44daaa88a8c8dede2e82166. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16700387.
  date published: 2026-07-02T03:55:08Z
audio: La Traviata: Noi siamo zingarelle
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Masquerade Suite: I. Waltz
type: MusicRecording
duration: PT4M27S
duration ms: 267333
explicit: false
by artist: Aram Khachaturian
by artist: Kirill Kondrashin
by artist: RCA Victor Symphony Orchestra
by artist: Oscar Shumsky
in album: Je n'aime pas le classique, mais ça j'aime bien !
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  date published: 2010-08-02
genre: classical
isrc code: USBC15800004
additional property: CopyrightID
additional property: CopyrightStatus
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x013c6b046ccb12e65250221a53fa887308ce659e14a60d1740121a9c02f6c7e7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC15800004.
  date published: 2026-07-02T03:55:08Z
audio: Masquerade Suite: I. Waltz
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Die Zauberflöte, K. 620: Act II: Der Hölle Rache
type: MusicRecording
duration: PT2M47S
duration ms: 167533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Otmar Suitner
by artist: Sylvia Geszty
by artist: Staatskapelle Dresden
in album: Je n'aime pas le classique, mais ça j'aime bien !
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  date published: 2010-08-02
genre: classical
genre: classical-era
isrc code: DEE477000047
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9510fbc41f451e05cd7bde211ed27d24e1c3102b623cb9fcac749f596cae0e1a. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE477000047.
  date published: 2026-07-06T07:16:32Z
audio: Die Zauberflöte, K. 620: Act II: Der Hölle Rache
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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Tsar Saltan, Op. 57: Flight of the Bumblebee
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duration: PT1M24S
duration ms: 84266
explicit: false
by artist: Nikolai Rimsky-Korsakov
by artist: André Previn
by artist: London Symphony Orchestra
in album: Je n'aime pas le classique, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2010-08-02
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: avant-garde
genre: russian-romanticism
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Tsar Saltan, Op. 57: Flight of the Bumblebee
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  additional property: Tempo (BPM)
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Il barbiere di Siviglia: Io sono docile
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duration: PT3M52S
duration ms: 232666
explicit: false
by artist: Gioachino Rossini
by artist: Roberta Peters
by artist: Erich Leinsdorf
by artist: Metropolitan Opera Orchestra
by artist: Metropolitan Opera Chorus
in album: Je n'aime pas le classique, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2010-08-02
genre: classical
genre: opera
isrc code: USBC19607821
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe46c9b483f7d41bcacd3d99e2b222af79d5d6b4084879a38f2ae10b01a4dbe3e. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19607821.
  date published: 2026-07-07T14:04:01Z
audio: Il barbiere di Siviglia: Io sono docile
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Pavane in F-Sharp Minor, Op. 50
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duration: PT5M41S
duration ms: 341786
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by artist: Gabriel Fauré
by artist: Charles Gerhardt
by artist: National Philharmonic Orchestra
in album: Je n'aime pas le classique, mais ça j'aime bien !
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  date published: 2010-08-02
isrc code: USBC17700239
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: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e7460449f6120e23d7f7b75fc7ec33015cf41892eda668b18cfc3767182835. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17700239.
  date published: 2026-07-02T03:55:08Z
audio: Pavane in F-Sharp Minor, Op. 50
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The Carnival of the Animals, R. 125: VII. Aquarium
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duration: PT2M24S
duration ms: 144880
explicit: false
by artist: Camille Saint-Saëns
by artist: Arthur Fiedler
by artist: Boston Pops Orchestra
by artist: Hugh Downs
in album: Je n'aime pas le classique, mais ça j'aime bien !
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  date published: 2010-08-02
genre: classical
genre: late-romantic-era
genre: french-romanticism
isrc code: USBC16200139
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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audio: The Carnival of the Animals, R. 125: VII. Aquarium
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Madama Butterfly: Act II: Un bel di vedremo
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Cavalleria rusticana: Act I: Intermezzo sinfonico
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Trois Gymnopédies: Gymnopédie No. 1 in D Major: Lent et douloureux
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Le Quattro Stagioni: Violin Concerto No. 2 in G Minor, RV 315, "L'Estate": III. Presto
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La Traviata: Act I: Libiamo ne' lieti calici
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Carmen, WD 31: Overture
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The Nutcracker, Op. 71: No. 12, Divertissement: Dance of the Flutes
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: The Nutcracker, Op. 71: No. 12, Divertissement: Dance of the Flutes
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Nabucco: Va, pensiero, sull'ali dorate (Chorus of the Hebrew Slaves)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:18:56Z
audio: Nabucco: Va, pensiero, sull'ali dorate (Chorus of the Hebrew Slaves)
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Coppélia: Coppélia, Act I: Valse Lente
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Coppélia: Coppélia, Act I: Valse Lente
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Suite for Orchestra No. 3 in D Major, BWV 1068: II. Air
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Suite for Orchestra No. 3 in D Major, BWV 1068: II. Air
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Requiem in D Minor, K. 626: VIII. Lacrimosa
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Requiem in D Minor, K. 626: VIII. Lacrimosa
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Suite Bergamasque, L. 75: III. Clair de lune
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Suite Bergamasque, L. 75: III. Clair de lune
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Rhapsody on a Theme of Paganini, Op. 43: Variation XVIII: Andante Cantabile
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Rhapsody on a Theme of Paganini, Op. 43: Variation XVIII: Andante Cantabile
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Tales of Hoffmann: Barcarolle
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by artist: Arthur Fiedler
by artist: Boston Pops Orchestra
in album: Je n'aime pas le classique, mais ça j'aime bien !
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genre: classical
genre: german-romanticism
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genre: french-romanticism
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Tales of Hoffmann: Barcarolle
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William Tell Overture
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by artist: Arthur Fiedler
by artist: Boston Pops Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: William Tell Overture
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Il Trovatore: Vedi! Le fosche
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by artist: Zubin Mehta
by artist: Ambrosian Opera Chorus
by artist: New Philharmonia Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Il Trovatore: Vedi! Le fosche
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Romeo and Juliet, Op. 64: No. 13 Dance of the Knights
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duration: PT5M42S
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by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Mark Ermler
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
audio: Romeo and Juliet, Op. 64: No. 13 Dance of the Knights
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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Swan Lake, Op. 20: Op. 20: Act IV No. 29, Scène Finale
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by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Mark Ermler
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Swan Lake, Op. 20: Op. 20: Act IV No. 29, Scène Finale
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Rigoletto: Scorrende unite
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by artist: RCA Italiana Opera Chorus
by artist: RCA Italiana Opera Orchestra
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Rigoletto: Scorrende unite
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Le Quattro Stagioni: Violin Concerto No. 4 in F Minor, RV 297 "L'Inverno": I. Allegro non molto
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L'Arlésienne Suite No. 2: Farandole
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Orchestral Suite No. 2 in B Minor, BWV 1067: Menuet and Badinerie
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Gnossienne No. 1
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Ich mag keine Klassik, aber das gefällt mir!
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La Traviata: Act I: Libiamo ne' lieti calici
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Carmen, WD 31: Overture
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Mandolin Concerto in C Major, RV 425: I. Allegro
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The Nutcracker, Op. 71: No. 12, Divertissement: Dance of the Flutes
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Requiem in D Minor, K. 626: III. Dies irae
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Nabucco: Va, pensiero, sull'ali dorate (Chorus of the Hebrew Slaves)
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by artist: Renato Cellini
by artist: RCA Victor Orchestra
by artist: Robert Shaw Chorale
in album: Ich mag keine Klassik, aber das gefällt mir!
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popularity: 7
genre: classical
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:41:13Z
audio: Nabucco: Va, pensiero, sull'ali dorate (Chorus of the Hebrew Slaves)
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Coppélia: Coppélia, Act I: Valse Lente
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duration: PT0M56S
duration ms: 56360
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by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Mark Ermler
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popularity: 5
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Coppélia: Coppélia, Act I: Valse Lente
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Suite No. 2 for Jazz Orchestra: VII. Waltz II
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duration: PT3M49S
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Suite No. 2 for Jazz Orchestra: VII. Waltz II
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Suite for Orchestra No. 3 in D Major, BWV 1068: II. Air
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duration: PT5M12S
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by artist: Rudolf Baumgartner
by artist: Lucerne Festival Strings
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popularity: 6
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T15:21:38Z
audio: Suite for Orchestra No. 3 in D Major, BWV 1068: II. Air
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Hungarian Dances, WoO 1: No. 1 in G Minor
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by artist: Cristian Mandeal
by artist: George Enescu Philharmonic Orchestra, Bucharest
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popularity: 9
genre: classical
genre: german-romanticism
genre: late-romantic-era
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T16:51:38Z
audio: Hungarian Dances, WoO 1: No. 1 in G Minor
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Requiem in D Minor, K. 626: VIII. Lacrimosa
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by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Sir Colin Davis
by artist: Uwe Heilmann
by artist: Jan-Hendrik Rootering
by artist: Marjana Lipovsek
by artist: Angela Maria Blasi
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popularity: 5
genre: classical
genre: classical-era
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Requiem in D Minor, K. 626: VIII. Lacrimosa
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L'invitation au château, FP 138: Acte 2: Tango
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by artist: Kolja Blacher
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popularity: 8
genre: classical
genre: early-modern-classical
genre: neoclassicism
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T16:51:38Z
audio: L'invitation au château, FP 138: Acte 2: Tango
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Suite Bergamasque, L. 75: III. Clair de lune
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duration: PT4M28S
duration ms: 268453
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by artist: Claude Debussy
by artist: Arthur Fiedler
by artist: Boston Pops Orchestra
in album: Ich mag keine Klassik, aber das gefällt mir!
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popularity: 6
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Suite Bergamasque, L. 75: III. Clair de lune
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Gitanerías
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duration: PT1M46S
duration ms: 106173
explicit: false
by artist: Ernesto Lecuona
by artist: Morton Gould
by artist: Morton Gould Orchestra
in album: Ich mag keine Klassik, aber das gefällt mir!
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popularity: 6
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
audio: Gitanerías
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Rhapsody on a Theme of Paganini, Op. 43: Variation XVIII: Andante Cantabile
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duration: PT2M40S
duration ms: 160466
explicit: false
by artist: Sergei Rachmaninoff
by artist: Leonard Pennario
by artist: Arthur Fiedler
by artist: Boston Pops Orchestra
in album: Ich mag keine Klassik, aber das gefällt mir!
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popularity: 4
genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Rhapsody on a Theme of Paganini, Op. 43: Variation XVIII: Andante Cantabile
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Requiem: Dies Irae
type: MusicRecording
duration: PT1M59S
duration ms: 119880
explicit: false
by artist: Giuseppe Verdi
by artist: Sir Georg Solti
by artist: Chicago Symphony Orchestra
by artist: Chicago Symphony Chorus
in album: Ich mag keine Klassik, aber das gefällt mir!
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  date published: 2009-11-06
popularity: 7
genre: classical
genre: opera
isrc code: USBC19606337
additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:18:56Z
audio: Requiem: Dies Irae
  type: AudioObject
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Tales of Hoffmann: Barcarolle
type: MusicRecording
duration: PT3M35S
duration ms: 215240
explicit: false
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by artist: Arthur Fiedler
by artist: Boston Pops Orchestra
in album: Ich mag keine Klassik, aber das gefällt mir!
  type: MusicAlbum
  date published: 2009-11-06
popularity: 6
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
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isrc code: USBC15600108
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:50:41Z
audio: Tales of Hoffmann: Barcarolle
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Gayane Suite No. 3: 5. Sabre Dance
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by artist: Arthur Fiedler
by artist: Boston Pops Orchestra
in album: Ich mag keine Klassik, aber das gefällt mir!
  type: MusicAlbum
  date published: 2009-11-06
popularity: 7
genre: classical
isrc code: USBC15800233
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:50:41Z
audio: Gayane Suite No. 3: 5. Sabre Dance
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William Tell Overture
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by artist: Arthur Fiedler
by artist: Boston Pops Orchestra
in album: Ich mag keine Klassik, aber das gefällt mir!
  type: MusicAlbum
  date published: 2009-11-06
popularity: 8
genre: classical
genre: opera
isrc code: USBC15600102
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: William Tell Overture
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Má vlast, JB 1:112: II. Vltava, "The Moldau"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
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Il Trovatore: Vedi! Le fosche
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Il Trovatore: Vedi! Le fosche
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Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
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subject of: OpenTimestamps Proof of Existence
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audio: Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
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Romeo and Juliet, Op. 64: No. 13 Dance of the Knights
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Romeo and Juliet, Op. 64: No. 13 Dance of the Knights
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Canon & Gigue in D Major, P. 37: Canon
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Canon & Gigue in D Major, P. 37: Canon
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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popularity: 4
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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La Traviata: Noi siamo zingarelle
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popularity: 6
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subject of: OpenTimestamps Proof of Existence
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Swan Lake, Op. 20: Op. 20: Act IV No. 29, Scène Finale
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Masquerade Suite: I. Waltz
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Rigoletto: Scorrende unite
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Die Zauberflöte, K. 620: Act II: Der Hölle Rache
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Le Quattro Stagioni: Violin Concerto No. 4 in F Minor, RV 297 "L'Inverno": I. Allegro non molto
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Tsar Saltan, Op. 57: Flight of the Bumblebee
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L'Arlésienne Suite No. 2: Farandole
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:43:21Z
audio: L'Arlésienne Suite No. 2: Farandole
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Il barbiere di Siviglia: Io sono docile
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duration ms: 232666
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by artist: Gioachino Rossini
by artist: Roberta Peters
by artist: Erich Leinsdorf
by artist: Metropolitan Opera Orchestra
by artist: Metropolitan Opera Chorus
in album: Ich mag keine Klassik, aber das gefällt mir!
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popularity: 5
genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:18:56Z
audio: Il barbiere di Siviglia: Io sono docile
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Orchestral Suite No. 2 in B Minor, BWV 1067: Menuet and Badinerie
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duration: PT2M41S
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by artist: James Galway
by artist: I Solisti di Zagreb
by artist: Boston Pops Orchestra
in album: Ich mag keine Klassik, aber das gefällt mir!
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popularity: 5
genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: Menuet and Badinerie
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Pavane in F-Sharp Minor, Op. 50
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by artist: Charles Gerhardt
by artist: National Philharmonic Orchestra
in album: Ich mag keine Klassik, aber das gefällt mir!
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popularity: 6
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:50:41Z
audio: Pavane in F-Sharp Minor, Op. 50
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Gnossienne No. 1
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by artist: William Masselos
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popularity: 4
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Gnossienne No. 1
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The Carnival of the Animals, R. 125: VII. Aquarium
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by artist: Arthur Fiedler
by artist: Boston Pops Orchestra
by artist: Hugh Downs
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popularity: 7
genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: The Carnival of the Animals, R. 125: VII. Aquarium
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Madama Butterfly: Act II: Un bel di vedremo
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by artist: New Philharmonia Orchestra
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popularity: 5
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Madama Butterfly: Act II: Un bel di vedremo
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Cavalleria rusticana: Act I: Intermezzo sinfonico
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:41:13Z
audio: Cavalleria rusticana: Act I: Intermezzo sinfonico
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Trois Gymnopédies: Gymnopédie No. 1 in D Major: Lent et douloureux
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duration ms: 226626
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by artist: Erik Satie
by artist: Charles Gerhardt
by artist: National Philharmonic Orchestra
by artist: David Watkins
by artist: William Bennett
by artist: David Theodore
by artist: Tom Kelly
by artist: James Brown
in album: Ich mag keine Klassik, aber das gefällt mir!
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popularity: 6
genre: classical
genre: classical-piano
genre: impressionism
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additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Trois Gymnopédies: Gymnopédie No. 1 in D Major: Lent et douloureux
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The Great British Wedding Album
type: MusicAlbum
date published: 2011-04-15
track: The arrival of the queen of Sheba
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  genre: english-baroque
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:53:27Z
  audio: The arrival of the queen of Sheba
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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track: Wedding march
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  by artist: Felix Mendelssohn
  by artist: Graham Jackson
  in album: The Great British Wedding Album
    type: MusicAlbum
    date published: 2011-04-15
  popularity: 4
  genre: classical
  genre: early-romantic-era
  genre: german-romanticism
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Wedding march
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track: Bridal March
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  by artist: Richard Wagner
  by artist: Graham Jackson
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    type: MusicAlbum
    date published: 2011-04-15
  popularity: 10
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  genre: opera
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  subject of: OpenTimestamps Proof of Existence
  audio: Bridal March

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb6c6a931c2a28556fb92a0a3132235f7386779b3faf4d5b4e43ab7c30af272. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARU9200049.
date published: 2026-07-02T11:38:34Z

Bridal March
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additional property: Tempo (BPM)
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additional property: Mode (Major/Minor)
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Valence (Positivity)
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Alexander Goehr: Arianna, Op. 58 (Live)
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date published: 2012-04-01

Musique A Bord
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date published: 2003-08-12
track: Suite No. 2 for Jazz Orchestra: VII. Waltz II
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T09:18:01Z
  audio: Suite No. 2 for Jazz Orchestra: VII. Waltz II
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track: L'invitation au château, FP 138: Acte 2: Tango
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Les patineurs, Op. 183
track: Carmina Burana: Fortuna imperatrix mundi: O Fortuna
track: Má vlast, JB 1:112: II. Vltava, "The Moldau"
track: Gitanerías
track: Gayane Suite No. 3: 5. Sabre Dance
track: Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
track: España Rhapsody
track: Valse triste, Op. 44, No. 1
track: The Nutcracker, Op. 71 (Excerpts): Waltz of the Flowers
track: Masquerade Suite: I. Waltz
track: Gnossienne No. 1
track: Die Zauberflöte, K. 620: Act II: Der Hölle Rache
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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Hungarian Dances, WoO 1: No. 1 in G Minor
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Les patineurs, Op. 183
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subject of: OpenTimestamps Proof of Existence
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Carmina Burana: Fortuna imperatrix mundi: O Fortuna
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subject of: OpenTimestamps Proof of Existence
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audio: Carmina Burana: Fortuna imperatrix mundi: O Fortuna
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Má vlast, JB 1:112: II. Vltava, "The Moldau"
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audio: Má vlast, JB 1:112: II. Vltava, "The Moldau"
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Gitanerías
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Gayane Suite No. 3: 5. Sabre Dance
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audio: Gayane Suite No. 3: 5. Sabre Dance
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Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
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España Rhapsody
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duration ms: 408720
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by artist: Emmanuel Chabrier
by artist: Eugene Ormandy
by artist: Philadelphia Orchestra
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: España Rhapsody
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Valse triste, Op. 44, No. 1
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by artist: Sir Colin Davis
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Valse triste, Op. 44, No. 1
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The Nutcracker, Op. 71 (Excerpts): Waltz of the Flowers
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duration: PT6M28S
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by artist: Fritz Reiner
by artist: Chicago Symphony Orchestra
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: The Nutcracker, Op. 71 (Excerpts): Waltz of the Flowers
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Masquerade Suite: I. Waltz
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duration: PT4M26S
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explicit: false
by artist: Aram Khachaturian
by artist: Kirill Kondrashin
by artist: RCA Victor Symphony Orchestra
by artist: Oscar Shumsky
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Masquerade Suite: I. Waltz
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Gnossienne No. 1
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duration: PT2M43S
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by artist: William Masselos
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Gnossienne No. 1
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Die Zauberflöte, K. 620: Act II: Der Hölle Rache
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by artist: Staatskapelle Dresden
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Die Zauberflöte, K. 620: Act II: Der Hölle Rache
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Prince Igor (Excerpts): Polovtsian Dances
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by artist: Loris Tjeknavorian
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Prince Igor (Excerpts): Polovtsian Dances
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The National Trust - At The Movies
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date published: 2004-10-25
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  by artist: The City of Prague Philharmonic Orchestra
  by artist: Nic Raine
  by artist: Nicholas Charles Raine
  in album: The National Trust - At The Movies
    type: MusicAlbum
    date published: 2004-10-25
  popularity: 29
  isrc code: GBAJC0203704
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T14:27:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x15297af8bc72bd3dff32e1cc6f79e1b01b223975fdf5143c18c1b533c578f0f2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953515
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJC0203704
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15297af8bc72bd3dff32e1cc6f79e1b01b223975fdf5143c18c1b533c578f0f2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJC0203704.
    date published: 2026-06-13T12:53:06Z
  audio: Hedwig's Theme - From "Harry Potter and the Philosopher's Stone"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.651
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.222
    additional property: Energy
      type: PropertyValue
      value: 0.213