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 0xd53aac4b46f605b4a540749c0b697ea0b613f8f68e716739ba113d9b770277ee. Chain 2 (Bitcoin): anchored in block 953947 (2026-06-16T13:14:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/244ada0e-8a86-4b18-8707-934b2973ac83.json and https://artists.proofprofile.net/proofs/artist/244ada0e-8a86-4b18-8707-934b2973ac83.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jarrell: Trei II / Modifications / Eco / Trace-Ecart
Modifications pour piano et ensemble instrumental
...car le pensé et l'être sont une même chose
Assonance III pour clarinette basse, violoncelle et piano
Aus bebung pour clarinette et violoncelle
Trei II pour soprano et cinq instruments
Essaims cribles pour clarinette basse et ensemble instrumental
Trois études de Debussy: Pour les notes répétées (Orchestration)
Trois études de Debussy: Pour les sonorités opposées (Orchestration)
Trois études de Debussy: Pour les accords (Orchestration)
Trois Etudes de Debussy (1992): Pour les notes répétées (Orchestration)
Trois Etudes de Debussy (1992): Pour les sonorités opposées (Orchestration)
Trois Etudes de Debussy (1992): Pour les accords (Orchestration)
Cassandre: Apollon te crache dans la bouche…
Cassandre: C'etait une jourmee pareille…
Cassandre: Enee vint a la nouvelle lune…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: Apollon Te Crache Dans La Bouche…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: Hécube, Ma Mère…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: Le Cyprès…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: Vers Le Soir…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: Quant Je Remonte…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: 1Er Interlude Instrumental
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: Polyxène, Ma Soeur
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: C'était La Veille Du Départ…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: Remarquez Bien…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: 2E Interlude Instrumental
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: C'était Une Journée Pareille…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: Je Vis Mon Frère Hector…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: Enée Vint À La Nouvelle Lune…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: Depuis Qu'en Ce Lieu…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: L'effondrement Vint Vite…
Cassandre (1994) - A Spoken Opera for Ensemble and Actress: Qui, Ce Fut Ainsi…
Cassandre: Apollon te crache dans la bouche
Jarrell: Instantanés, Assonance II, Assonance V & D'ombres lointaines
...Nachlese...lll - Es bleibt eine zitternde Bebung
Le ciel, tout à l'heure encore si limpide, soudain se trouble horriblement
Paysages avec figures absentes "Nachlese IV"
...Un long fracas somptueux de rapide céleste...
NACHLESE Vb: Liederzyklus: I. Désoriente
CONTACT! with Alan Gilbert and David Robertson
NACHLESE Vb: Liederzyklus: IV. Descaminado
Edition Musikfabrik, Vol. 04 - Schattenspiele
12 Etudes: No. 9. Pour les notes repetees
12 Etudes: No. 10. Pour les sonorites opposees
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 0x466fa7f8b194f341b9649b80d75b7d6f37cfbc3b755a5493c0ad1702c4d7cf91. 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/HKI190851908.
Entente prealable-12 compositeurs-Percussions de strasbourgg