Martha Plimpton (born November 16, 1970) is an American actress. She started her career as a teen actress in film before transitioning to adult roles on stage and screen. She has received several awar
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 0xb32914167ccad9c03d481b321e34f9f910a72aeccc283383b355b25948b33853. Chain 2 (Bitcoin): anchored in block 954046 (2026-06-17T04:53:03Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/40d19764-2b1c-4576-a1fc-2ad6514a923f.json and https://artists.proofprofile.net/proofs/artist/40d19764-2b1c-4576-a1fc-2ad6514a923f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).