Robert Tate may refer to: Robert Tate (American football) (born 1973), American football player Robert Tate (MP), Sheriff of London in 1482 and 1486 Robert Ward Tate (1864–1938), New Zealand civil adm
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f17cccc469d2debf7ce6980402067b85da674dd443c22a14c148f13ab593407. Chain 2 (Bitcoin): anchored in block 953704 (2026-06-14T22:58:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/771c89b5-29c7-443c-af7d-f610e163e65a.json and https://artists.proofprofile.net/proofs/artist/771c89b5-29c7-443c-af7d-f610e163e65a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).