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 0x865360589811871a445817bf08f05266caac82ae32ef4a0d6e6c5a694373070f. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fde23412-aa7e-412e-ab63-104189760c9e.json and https://artists.proofprofile.net/proofs/artist/fde23412-aa7e-412e-ab63-104189760c9e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Automne 2019 - Laugère Song(s) [11 pièces]
Piano Songs for My Friends, Vol. 1 (The Moscow Sessions)
Jazz & Poetry (En français dans le texte)
Libro secondosonata decimasesta a quattro: Sonate
BOF Dans Paris - Musique Originale d’Alex Beaupain et Armel Dupas