Mr. & Mrs. Smith may refer to: Film and television Mr. & Mrs. Smith (1941 film), an American comedy directed by Alfred Hitchcock Mr. & Mrs. Smith (1996 TV series), a short-lived American crime dra
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 0x8e9ebc7d9eb7314ba383ce37cf650a8ae575e74bd8b1bde0885e25b89d1ffb72. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ae6f7993-5ee8-4412-81a2-d146cbbe0893.json and https://artists.proofprofile.net/proofs/artist/ae6f7993-5ee8-4412-81a2-d146cbbe0893.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Used to Think I Was Simple but I Was Wrong