Dostie is a surname. Notable people with the surname include: Alain Dostie (born 1943), Canadian cinematographer, film director, and screenwriter Alexandre Dostie, Canadian film director Anthony Pau
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 0xa2c418a4923d4309ab372fd5e8d305c6c448820e7b02cd7a6abac774398e368f. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/db7f7385-3388-4314-9f9b-aef0d62e54bb.json and https://artists.proofprofile.net/proofs/artist/db7f7385-3388-4314-9f9b-aef0d62e54bb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).