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 0x074d4ecbde4a37a29c59663deb7d40a63a578b2d9ede3d3e2519b38915a645e8. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/282f7444-d54e-4425-9071-e9c62c31a6be.json and https://artists.proofprofile.net/proofs/artist/282f7444-d54e-4425-9071-e9c62c31a6be.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Deux à aimer (en duo avec Marie-Ève Janvier)
Et j'espère ... (en duo avec Marc Dupré)
Je t'aime encore (en duo avec Philippe Berghella)
Quand le soleil dit bonjour aux montagnes
Quand les hommes vivront d'amour (Avec artistes invités)