1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xf40d68baa8b6e53403b3ed745b5e59e142b09c35934356250877a007fb950189. Chain 2 (Bitcoin): anchored in block 953936 (2026-06-16T11:24:55Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1fcc3a70-7069-47ff-940a-a0729453e4f5.json and https://artists.proofprofile.net/proofs/artist/1fcc3a70-7069-47ff-940a-a0729453e4f5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 → block OTSBitcoinBlock must exist at that height 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 0xef5681df054c98058cb6407b364cccd49aab01afc9460588c714266602f5142e. 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/FRZ398300090.
Laudate pueri, Op. 39 N° 2: Laudate pueri
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc85c6f1e2e8f0d7eea1a432b632d807d0fcd034af50964cfb4d9d893a97a0bbf. 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/FRZ398300100.
Pour le 2e dimanche après Pâques, Op. 39 N° 3: Surrexit pastor
Pour le 2e dimanche après Pâques, Op. 39 N° 3: Tulerunt dominum
Pour le 2e dimanche après Pâques, Op. 39 N° 3: Surrexit christus
Saint-saëns : L'œuvre pour violoncelle & orchestre
Concerto No. 1 en la mineur pour violoncelle & orchestre, Op. 33: Allegro non troppo
Concerto No. 1 en la mineur pour violoncelle & orchestre, Op. 33: Allegretto con moto
Allegro appassionato en si mineur, Op. 43
Concerto No. 2 en ré mineur pour violoncelle & orchestre, Op. 119: Allegro moderato e maestoso
Concerto No. 2 en ré mineur pour violoncelle & orchestre, Op. 119: Allegro non troppo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4f6b58b8a6c373298ce2ea7138b6282d461db0afa0a35fd68fd6941bcdb10b8. 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/FRZ179704250.
Le Cygne, 13ème épisode du Carnaval des Animaux
Suite pour violoncelle & orchestre, Op. 16: Prélude
Suite pour violoncelle & orchestre, Op. 16: Sérénade
Suite pour violoncelle & orchestre, Op. 16: Gavotte
Suite pour violoncelle & orchestre, Op. 16: Romance
Suite pour violoncelle & orchestre, Op. 16: Tarentelle
Sonate No.1 en Ré Mineur: I. Prologue - Live
Sonate No.1 en Ré Mineur: II. Sérénade - Live
Sonate No.1 en Ré Mineur: III. Finale - Live
Sonate No.3 en Sol Mineur: I. Allegro vivo - Live
Sonate No.3 en Sol Mineur: II. Intermède - Live
Sonate No.3 en Sol Mineur: III. Finale - Live
L'Attente Sonate, Op. 20: I. L'attente - Live
L'Attente Sonate, Op. 20: II. Passacaille et Trio Double
L'Attente Sonate, Op. 20: III. Finale - Variations - Live
Prélude à l'après-midi d'un faune - Live
Nicolas Bacri, Cello concerto, Folia, Requiem, Tre canti e finale
Concerto for cello and orchestra op 17, Naissance (Con fantasia - Calmo)
The "George Enescu" Philharmonic Orchestra
Concerto for cello and orchestra op 17, Métamorphose (Vivo)
Concerto for cello and orchestra op 17, Libération (Lento)
Concerto for cello and orchestra op 17, Affirmation (Adagio quasi variazioni)
Folia op 30b, Chaconne symphonique, Prologo (Ciaccona)
Folia op 30b, Chaconne symphonique, Dialogo (Scherzo)
Folia op 30b, Chaconne symphonique, Epilogo (Tema)
Tre Canti e Finale Op. 29, Concerto No. 2, Tre canti, Marcia funebre (Lento minaccioso)
Tre Canti e Finale Op. 29, Concerto No. 2, Tre canti, Cavatina
Tre Canti e Finale Op. 29, Concerto No. 2, Tre canti, Stelo (Semplice e dolce)
Tre Canti e Finale Op. 29, Concerto No. 2, Finale (Capriccio), Cadenza I - Con bravura - Presto
Tre Canti e Finale Op. 29, Concerto No. 2, Finale (Capriccio), Cadenza II - Sognando
Tre Canti e Finale Op. 29, Concerto No. 2, Finale (Capriccio), Cadenza III - Presto inquieto - Prestissimo
Requiem op 23, Musica notturna no. 1 (Adagio molto)
Requiem op 23, Musica notturna no. 2 (Moderato)
Requiem op 23, Musica notturna no. 3 (Berceuse de la mort)
Brahms : Double concerto - Beethoven : Triple concerto
Concerto en la mineur pour violon, violoncelle & orchestre, Op. 102 : Allegro
Concerto en la mineur pour violon, violoncelle & orchestre, Op. 102 : Andante
Concerto en la mineur pour violon, violoncelle & orchestre, Op. 102 : Vivace non troppo
Concerto en ut majeur pour piano, violon, violoncelle & orchestre, Op. 56
Concerto en ut majeur pour piano, violon, violoncelle & orchestre, Op. 56: Largo
Concerto en ut majeur pour piano, violon, violoncelle & orchestre, Op. 56: Rondo alla polacca
Suite No.2 in D Minor BWV 1008: I. Prelude
Suite No.2 in D Minor BWV 1008: II. Allemande
Suite No.2 in D Minor BWV 1008: III. Courante
Suite No.2 in D Minor BWV 1008: IV. Sarabande
Suite No.2 in D Minor BWV 1008: V. Menuet I - II
Suite No.2 in D Minor BWV 1008: VI. Gigue
Suite No.4 in E-Flat Major BWV 1010: I. Prelude
Suite No.4 in E-Flat Major BWV 1010: II. Allemande
Suite No.4 in E-Flat Major BWV 1010: III. Courante
Suite No.4 in E-Flat Major BWV 1010: IV. Sarabande
Suite No.4 in E-Flat Major BWV 1010: V. Bourree I+II
Suite No.4 in E-Flat Major BWV 1010: VI. Gigue
Suite No.5 in C Minor BWV 1011: I. Prelude
Suite No.5 in C Minor BWV 1011: II. Allemande
Suite No.5 in C Minor BWV 1011: III. Courante
Suite No.5 in C Minor BWV 1011: IV. Sarabande
Suite No.5 in C Minor BWV 1011: V. Gavotte I - II
Suite No.5 in C Minor BWV 1011: VI. Gigue
Suite No.1 in G Major BWV 1007: I. Prelude
Suite No.1 in G Major BWV 1007: II. Allemande
Suite No.1 in G Major BWV 1007: III. Courante
Suite No.1 in G Major BWV 1007: IV. Sarabande
Suite No.1 in G Major BWV 1007: V. Menuet I - II
Suite No.1 in G Major BWV 1007: VI. Gigue
Suite No.3 in C Major BWV 1009: I. Prelude
Suite No.3 in C Major BWV 1009: II. Allemande
Suite No.3 in C Major BWV 1009: III. Courante
Suite No.3 in C Major BWV 1009: IV. Sarabande
Suite No.3 in C Major BWV 1009: V. Bourrée I - II
Suite No.3 in C Major BWV 1009: VI. Gigue
Suite No.6 in D Major BWV 1012: I. Prélude
Suite No.6 in D Major BWV 1012: II. Allemande
Suite No.6 in D Major BWV 1012: III. Courante
Suite No.6 in D Major BWV 1012: IV. Sarabande
Suite No.6 in D Major BWV 1012: V. Gavotte I - II
Suite No.6 in D Major BWV 1012: VI. Gigue
Antonín Dvořák: Concerto en si mineur - Johannes Brahms: Danses Hongroises (Live)
Concerto en si mineur pour violoncelle et orchestre, Op. 104: I. Allegro - Live
Concerto en si mineur pour violoncelle et orchestre, Op. 104: II. Adagio ma non troppo - Live
Concerto en si mineur pour violoncelle et orchestre, Op. 104: III. Finale: Allegro moderato - Live
Brahms : 3 sonates pour violoncelle & piano
Sonate en ré majeur, Op. 78: Vivace ma non troppo
Sonate en ré majeur, Op. 78: Allegro molto moderato
Sonate en mi mineur, Op. 38: Allegro non troppo
Sonate en mi mineur, Op. 38: Allegretto quasi menuetto
Sonate en fa majeur, Op .99: Allegro vivace
Sonate en fa majeur, Op .99: Adagio affettuoso
Sonate en fa majeur, Op .99: Allegro passionato
Sonate en fa majeur, Op .99: Allegro molto
Sonate pour violoncelle seul: II. Allant
Sonate pour violoncelle seul: III. Lent et expressif
Suite seul No. 1 "Preludio e Metamorfosi": I. Mesto
Suite seul No. 1 "Preludio e Metamorfosi": II. Metamorfosi: Poco vivace, recitativo
Suite seul No. 1 "Preludio e Metamorfosi": III. Metamorfosi: Largo alla ciacona
Suite seul No. 1 "Preludio e Metamorfosi": IV. Metamorfosi: Vivo alla giga
Sonate pour violoncelle seul "Jéricho": I. Quasi improvisando
Sonate pour violoncelle seul "Jéricho": II. Scherzo
Sonate pour violoncelle seul "Jéricho": III. Lento ostinato