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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1622ca5e0757be2e0ce81d4b8cfca6227e0efb98c94c29567ac294360c94324b. Chain 2 (Bitcoin): anchored in block 953717 (2026-06-15T01:05:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/874b317c-be31-40dc-82b1-5cda4285b2e5.json and https://artists.proofprofile.net/proofs/artist/874b317c-be31-40dc-82b1-5cda4285b2e5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Passio: Passio Domini Nostri Jesu Christi
Passio: Numquid et tu ex discipulis ejus es?
Passio: Postea sciens Jesus quia omnia consummata sunt
Nuits, adieux (Version for 4 Voices & Electronics): I. Nuit I
Nuits, adieux (Version for 4 Voices & Electronics): II. Adieu I
Nuits, adieux (Version for 4 Voices & Electronics): III. Nuit II
Nuits, adieux (Version for 4 Voices & Electronics): IV. Adieu II
Nuits, adieux (Version for 4 Voices & Electronics): V. Nuit III
Nuits, adieux (Version for 4 Voices & Electronics): VI. Nuit IV
Nuits, adieux (Version for 4 Voices & Electronics): VII. Nuit V
Nuits, adieux (Version for 4 Voices & Electronics): VIII. Adieu III - IX. Adieu IV - X. Adieu V
Horloge, tais-toi ! (Version for Choir & Piano)