1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe20d1279caae7ee35bfe3b8a3b1546bc7c5b13b57cd9e894259c21e1f2ae51d4. Chain 2 (Bitcoin): anchored in block 953786 (2026-06-15T12:56:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d8595fd4-9395-4cc9-ad46-1aa6351ab17d.json and https://artists.proofprofile.net/proofs/artist/d8595fd4-9395-4cc9-ad46-1aa6351ab17d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Concerto pour clarinette en La Majeur, K. 622: II. Adagio
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfb7e86cab95283429c68110733df737c696ed872f6918fc89a6ca13efc412ef. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU622262602.
Quintette pour clarinette en La Majeur, K. 581: IV. Allegretto con variazioni
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La Folle Journée 2019: Carnets de voyage
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La Boda de Luis Alonso, pour castagnettes et orchestre
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Suite bergamasque, L.75: III. Clair de lune
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Brahms: Quintette pour cordes et piano & Zwei Gesänge
La Folle Journée 2018: Vers un nouveau monde
Soft Classical Music for Studying and Reading
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34e099cb828a1994d5cd40b868831af237633bcf91f7644894575181a395d6cf. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1902378.
Cantata, BMV 208: IX. Aria. Schafe können sicher weiden (Arr. for Cello & Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe0296f3a4c8c4cc34425d99ffb41e430e283cadba426ab2c6953e85e1c60a05. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA551700154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b311d2e0e7781b50935e1f36a2ebc1978145b5f3bafc53ec8b1dcd3b7f47231. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2001828.
24 Preludes, Op. 11: No. 21 in B-Flat Major. Andante
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Nocturnes, Op. 15: No. 2 in F-Sharp Major. Larghetto
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Prelude and Fugue in F Minor, BWV 881: I. Prelude
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Nocturnes, Op. 9: No. 2 in E-Flat Major. Andante
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Goldberg Variations, BWV 988: No. 29, Variatio 28. a 1 clav.
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Cello Sonata in A Minor, D. 821 "Arpeggione": II. Adagio (Arr. Lenaerts & Grammenos)
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Theme and Variations in E-Flat Major, WoO 24 "Geistervariationen": I. Thema - Leise, innig
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Suite bergamasque, L. 75: III. Clair de lune
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18c741ac5fbc5b78a5f3df08558a73b1d980acd6052ee2ca976b8cb9d124a2aa. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD8500195.
6 Consolations, S. 172: No. 3 in D-Flat Major. Lento placido
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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Ce Matin-là (Arr. Tharaud for Clarinet, String Quartet & Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9871953f91eb5f823ebacdbd0c2d1a7a1f345dd1bc9e54a97caeb8172957449c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1702478.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd3f50fa48e1606fc0969914c4144a636573ea4bdf7f3d1c7eeb23cd131c1d01. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1801065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3272a89f986cba3ab72518f4f2c93ce234ad5e4c91a45b07bb3e1a455a785e7f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2001829.
Myrthen, Op. 25: No. 1, Widmung (Arr. Franz Liszt)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2e0348bbb4330173fed4c3e7499e452fa97d7d52c19d7dabf26a96ba6971583. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1700716.
Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Klassische Musik zum Studieren und Lesen
Octet in F Major, D. 803: III. Scherzo. Allegro vivace
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Octet in F Major, D. 803: IV. Andante - Un poco più mosso – Più lento
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Schubert le Voyageur: La Folle Journée 2022
Litanei, D. 343 (Arr. for Cello & Piano)
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Barbara / Arr Tharaud: Pierre (Prelude) [Arr. Tharaud for Piano]
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Barbara / Arr Tharaud: Ô mes théâtres (Arr. Tharaud for Narrator)
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Barbara / Arr Tharaud: Cet Enfant-là (Arr. Tharaud for Piano & String Quartet)
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Rauber & Brel / Arr Tharaud: Valse de Frantz (Arr. Tharaud for Piano)
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Barbara / Arr Tharaud: Septembre (Arr. Tharaud for Piano)
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Barbara / Arr Tharaud: Mes hommes (Arr. Tharaud for Piano, Double Bass & Accordion)
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Gnansia / Arr Tharaud: Ce Matin-là (Arr. Tharaud for Clarinet, String Quartet & Piano)
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Barbara / Arr Tharaud: Du bout des lèvres (Arr. Tharaud for Piano & Keyboards)
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Barbara / Arr Tharaud: Le Bel âge (Arr. Tharaud for Accordion & Piano)
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Colombier / Arr Tharaud: Plus rien (Arr. Tharaud for Piano)
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Barbara / Arr Tharaud: Pierre (Arr. Tharaud for Piano, Keyboards, Accordion & Cello)
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Barbara / Arr Tharaud for Piano: J'ai tué l'amour
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Barbara / Arr Tharaud: Y'aura du monde (Arr. Tharaud for Clarinet, Double Bass & Keyboards)
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Barbara / Arr Tharaud: Ma plus belle histoire d'amour (Arr. Tharaud for Clarinet & Piano)
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Barbara / Arr Tharaud: Au bois de Saint-Amand (Arr. Tharaud for Piano & Percussion)
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Barbara / Arr Tharaud: Say, when will you return? (Dis, quand reviendras tu ?) [Arr. Tharaud for Cello & Piano]
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Barbara / Arr Tharaud: Attendez que ma joie revienne (Arr. Tharaud for Guitar, Double Bass, String Quartet & Piano)
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Barbara / Arr Tharaud: Pierre (postlude) [Arr. Tharaud for Piano]
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4 Pieces for String Quartet, Op. 81: III. Capriccio. Andante con moto, MWV R 32
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String Quartet No. 1, TH ii/30: III. Scherzo
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String Quartet in F major, Hob.III:17: II. Andante Cantabile
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String Quartet No. 1 in E Minor: I. Allegro vivo appassionato
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String quartet No. 2 in C Major, D. 32: II. Andante
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String quartet No. 9 in G Minor, D. 173: I. Allegro con brio
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String quartet No. 3 in B-Flat Major, D. 36: IV. Allegretto
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String quartet No. 4 in C Major, D. 46: I. Adagio - Allegro con moto
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String quartet No. 4 in C Major, D. 46: III. Menuetto. Allegro
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String Quartet No. 14 in D Minor, D. 810 "Death and the Maiden": II. Andante con moto
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String quartet No. 6 in D Major, D. 74: IV. Allegro
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String quartet No. 13 in A Minor, D. 804 "Rosamunde": I. Allegro ma non troppo
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String quartet No. 10 in E-Flat Major, D. 87: II. Scherzo - Trio
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String quartet No. 13 in A Minor, D. 804 "Rosamunde": IV. Allegro moderato
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String quartet No. 10 in E-Flat Major, D. 87: IV. Allegro
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String Quartet No. 1, Op. 41: IV. Presto
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String Quartet No. 2, Op. 41: II. Andante quasi variazioni
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String Quartet No. 2, Op. 41: III. Scherzo. Presto - Trio. L'istesso tempo
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String Quartet No. 2, Op. 41: IV. Allegro molto vivace
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Mendelssohn: Quatuor à cordes, Op. 13 & 80 et Capriccio
Quatuor à cordes en fa mineur, Op. 80: II. Allegro assai
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Edvard Grieg: String Quartet No.1 in G Minor Op.27: II. Romanze. Andantino - Allegro agitato - Tempo I - Allegro agitato - Tempo I
Bedřich Smetana: String Quartet No.1 in E Minor: I. Allegro vivo appassionato
Nocturne No. 20 in C-Sharp Minor, Op. Posth
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The Young Weaver (Renaissance Piano Version)
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Miocheries, Op. 126: No. 13, La toute petite s'endort
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Pictures at an Exhibition: II. The Old Castle
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The Place Where They Go (Munich Session)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aefbfbd9e04062d7d925a860c97440ab5b3f0d82ef0b4cede1c39ef19bc0a32. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1602296.
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The Shape of Water: I. The Shape of Water
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x733448625a0c59de265dd55ba7305c5dc8664658eec01d6e1f4e5be60c248e0e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2200911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9871953f91eb5f823ebacdbd0c2d1a7a1f345dd1bc9e54a97caeb8172957449c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1702478.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x980751d3f205c89964eb5df95933420c37d35562e101863e660f89643a41fdc6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8800957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31b8500e1b7f39e2bda1e5e59ab84a0ce7c1eaf58d2aa5196e3bd0b6e02cf1a3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1900068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb32162b2d4e52e6e239f5a11c618266d9472a120e69c645da17576475c14618c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD8300335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2686e3df596f568684d1ddd5014684fbc3bb2165c1a48a41e53a68e7251fbc50. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1702895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x131a1cf71ee98512e23f62492601029e7116295c16a92755094c18c66452347f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1702005.
Prelude and Fugue in F Major, BWV 880: I. Prelude
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Wachet auf, ruft uns die Stimme, BWV 140: I. Chorale, Wachet auf, ruft uns die Stimme (Arr. for Guitar)
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Premier livre de pièces de clavecin: VI. L'Aimable
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Violin Concerto in A Minor, BWV 1041: I. Allegro
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0e9d1bc1eb60b193904cdf5863b611bd518bc2323d5183f39a97e7e03561fb5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6788745f0711569e68b8627f856d10037fd34f8576f8a8b81412dd4ed9edab5e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA552000510.
Oblivion (Arr. Zimmerman for Trumpet and Orchestra)
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Il trionfo del Tempo e del Disinganno, HWV 46a: No. 45, Lascia la spina, cogli la rosa (Piacere)
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Neuvième schubertiade d'espace 2: Vevey, 9, 10, 11 septembre 1994, Vol. 1