Bob Sessions (December 11, 1931 – May 13, 2014) was an American winemaker. He was winemaker for Hanzell Vineyards for 28 years. Early life Robert Sessions was born in Glendale, California, in 1931.
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 0x9835c33fc9ea3ee5c9199f2971b57b3c1c1cd3201f8b0f9e64445710b93f5362. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/89f4737c-1da2-4081-8d0d-2be22cd1fb68.json and https://artists.proofprofile.net/proofs/artist/89f4737c-1da2-4081-8d0d-2be22cd1fb68.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).