BOC is the abbreviation of: Battle of Chancellorsville, during the American Civil War Biology of the Cell, an academic journal in biology Blackbird Owners Club, Motorclub for people who own a Hond
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 0xed779c5f2577269556650244859a13f25932966a88e51f042e5f391b210aa3a8. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d8bedf0-6dc9-4c39-8f4f-b16a9ef5a6bd.json and https://artists.proofprofile.net/proofs/artist/1d8bedf0-6dc9-4c39-8f4f-b16a9ef5a6bd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).