Lalonde or LaLonde (US spelling) is a surname. Notable people with the surname include: Amy Lalonde (born 1975), Canadian television personality Bob LaLonde (1922–2015), American politician Brice
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20a94118858dab82bd7d59a58120d74c80253ef655afc6a25b794a489ee3e598. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e2be4746-7c9b-455f-95f7-4860fe16d241.json and https://artists.proofprofile.net/proofs/artist/e2be4746-7c9b-455f-95f7-4860fe16d241.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).