Demetrious is a given name. Notable people with the given name include: Demetrious Cox (born 1994), American football player Demetrious Johnson (born 1986), American mixed martial artist Demetrious
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 0xc2e7d41e5eecc6f8403c19a8c6ae6a5ac18ce98c24a42fbe4a4e5051f75e6434. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/943fa5cc-48f9-49ac-a6bf-c5dae06514ee.json and https://artists.proofprofile.net/proofs/artist/943fa5cc-48f9-49ac-a6bf-c5dae06514ee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).