John Banks or Bankes may refer to: Politics and law Sir John Banks, 1st Baronet (1627–1699), English merchant and Member of Parliament John Banks (American politician) (1793–1864), U.S. Representativ
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 0x125f5775a6f46d3e12f06621769f5258671d93408134ff7df04e2d886e8841dc. Chain 2 (Bitcoin): anchored in block 954055 (2026-06-17T05:51:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/43999dcf-1ffc-49b8-8290-b3de0b9ba20b.json and https://artists.proofprofile.net/proofs/artist/43999dcf-1ffc-49b8-8290-b3de0b9ba20b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).