Mario LeBlanc (October 18, 1977 – September 30, 2024), better known under stage name Fayo (transl. bean), was an Acadian musician born in Dieppe, New Brunswick. As many artists from southeastern New B
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd4591721ded31398781c0f4c707b56a0850929cd9aede9d76405e06e16c56a2. 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/8bae8844-3fd8-4194-89d2-50d7c9ccc6b8.json and https://artists.proofprofile.net/proofs/artist/8bae8844-3fd8-4194-89d2-50d7c9ccc6b8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).