Cilley is a surname. Notable people with the surname include: Bradbury Cilley (1760–1831), United States Representative from New Hampshire Clinton A. Cilley (1837–1900), North Carolina lawyer and jud
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 0x2f9f4c6e0f40dafcce3450f86fccd410358bbeccd21a6e672b675386f486b8fd. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b3d98ada-a003-417d-bbbb-d3c909234fea.json and https://artists.proofprofile.net/proofs/artist/b3d98ada-a003-417d-bbbb-d3c909234fea.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).