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 0xcfb89c887855fdb6a4e9c03e2415425d022ff21e224fd6da17df4c1e68d3871a. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/94d502e6-e89b-4dcb-b276-601465e736a0.json and https://artists.proofprofile.net/proofs/artist/94d502e6-e89b-4dcb-b276-601465e736a0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Visions fugitives, Op. 22: No. 14, Feroce - Arr. for Saxophone and Piano by Jean-Marie Londeix
Visions fugitives, Op. 22: No. 16, Dolente - Arr. for Saxophone and Piano by Jean-Marie Londeix
Visions fugitives, Op. 22: No. 11, Con vivacità - Arr. for Saxophone and Piano by Jean-Marie Londeix
Visions fugitives, Op. 22: No. 3, Allegretto - Arr. for Saxophone and Piano by Jean-Marie Londeix
Visions fugitives, Op. 22: No. 15, Inquieto - Arr. for Saxophone and Piano by Jean-Marie Londeix
Hindemith, Jolivet, Charpentier, Tomasi, Villa-Lobos, Nin, Koechlin & Beck: Musique de chambre avec saxophone
Villa-Lobos: Sextuor mystique pour flûte, hautbois, saxophone, guitare, célesta et harpe, W131
Hindemith: Sonate pour saxophone alto et piano
Nin: Le chant du veilleur, estrampe hollandaise pour mezzo, saxophone et piano
Jolivet: Fantaisie-impromptu pour saxophone et piano
Charpentier, J: Gavambodi 2, pour saxophone et piano
Koechlin: Épitaphe de Jean Harlow pour flûte, saxophone et piano, Op. 164
Polychrome pour 12 saxophones, Polychrome
Sonate for Saxophone and Piano: Ruhig bewegt
Sonate for Saxophone and Piano: Sehr langsam
Le Lièvre et la Tortue: Impromptu, Lento
Sonate, op. 15, pour saxophone alto et piano: Allegro moderato
Tableaux de Provence: Farandole des jeunes fi lles
Tableaux de Provence: Chanson pour ma mie
Sonate, op. 15, pour saxophone alto et piano: Vif et léger
Le Lièvre et la Tortue: Impromptu, Presto
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 0x98c8f7eef02ef21b7d766f3fb09b56ecb46556f86e25ff4cedab73325c1abf81. 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/DEA140641809.
Sonate, op. 15, pour saxophone alto et piano: Adage
Tableaux de Provence: Des Alyscamps mon âme soupire
Sonate, op. 15, pour saxophone alto et piano: Allegro vivo
Etudes, op. 188, No. 8, pour saxophone alto et piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a53abac9b7fd453a31254e2c7efca18a7f48851503098f1ad78e65c9433ea12. 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/DEA140641812.
Concertino op. 125, avec flûte obligée: Lento e Allegro con fantasia
Etudes, op. 188, No. 2, pour saxophone alto et piano
Concertino op. 125, avec flûte obligée: Come un' improvisazione
Etudes, op. 188, No. 9, pour saxophone alto et piano
Etudes, op. 188, No. 3, pour saxophone alto et piano
Concertino op. 125, avec flûte obligée: Vivace
Rapsodie (for orchestra with saxophone solo) - 1998 Digital Remaster
Debussy / Arr. Roger-Ducasse for Saxophone and Orchestra: Rapsodie for Saxophone, CD 104, L. 98
Debussy: Orchestral Works, Vol. 2. Children's Corner, Petite Suite, Danse sacrée et danse profane, Fantaisie, La Boite à joujoux & Khamma
Rapsodie for Orchestra and Saxophone, L. 98
Blue Edition - Debussy: Fantaisie for Piano and Orchestra & Sonata for Flute, Viola and Harp
Blue Edition - Debussy: Fantaisie for Piano and Orchestra & Rapsodie for Orchestra and Saxophone
Green Edition - Debussy: Nocturnes, L. 91 & Fantaisie for Piano and Orchestra
Green Edition - Debussy: Fantaisie for Piano and Orchestra & Printemps
Green Edition - Debussy: Rapsodie for Orchestra and Saxophone, L. 98 & La boîte à joujoux, L. 128
Red Edition - Ravel & Debussy: Concerto pour la main gauche, M. 82 & Fantaisie for Piano & Orchestra
Green Edition - Debussy: Fantaisie for Piano and Orchestra & Le triomphe de Bacchus, L. 38
Red Edition - Debussy & Bizet: Rapsodie for Orchestra and Saxophone & Suites Carmen Nos. 1, 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44cd32fb200b0eab1120da4193901584c73ed4b5243cb691351bb42cc2e82f61. 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/FRZ119800185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4614efb75c885261ff4bab1982f43c5c0d48fce079cc67f63c749331cebc5ab8. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSLT1100086.