Lasky is a surname. Notable people with the surname include: Art Lasky (1909–1980), American heavyweight professional boxer Bette Lasky (born 1947), American politician; New Hampshire state senator a
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 0xfe613d8c1564f9a470a809db3fd2dfc4874a5a3e73f7fbfb9ef84225c68e0f0e. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d2a8213e-7af0-4c9c-85a0-f93df9fb9603.json and https://artists.proofprofile.net/proofs/artist/d2a8213e-7af0-4c9c-85a0-f93df9fb9603.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).