Greg or Gregory Bryant may refer to: Greg Bryant (computer scientist), American computer scientist Greg Bryant (astronomer), namesake of 9984 Gregbryant Greg Bryant (American football), see 2012 U
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 0x9851238307cf668040481418288c654204f7c3fbc50b6226e96c6ab1783ea75c. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9dc0b87d-1c8c-4fdf-9306-c5fd73eb27d1.json and https://artists.proofprofile.net/proofs/artist/9dc0b87d-1c8c-4fdf-9306-c5fd73eb27d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).