System and method for policy-gated execution of AI workflows using evidence-anchored authorization and runtime enforcement.

Abstract

20 26 20 13 25 22 F eb 2 02 6 2 0 2 6 2 0 1 3 2 5 2 2 F e b 2 0 2 6 DRAWINGS Patent A — The Gatekeeper System and method for policy-gated execution of AI workflows using evidence-anchored authorization and runtime enforcement BRIEF DESCRIPTION OF DRAWING FIG. 1 is a system architecture block diagram showing the policy-gated execution system comprising: a Context Graph (100) implemented as a directed acyclic graph with multi-party authorisation nodes (110) and SHA-3-512 cryptographic commitments DRAWINGS enforcement FIG. 1 100 CONTEXT GRAPH (Directed Acyclic Graph) 110 120 MULTI-PARTY SHA-3-512 AUTHORISATION CRYPTOGRAPHIC NODES COMMITMENTS 200 POLICY ENGINE DATA FLOW 210 220 COMPLIANCE RISK RULES SCORING DATABASE MODULE 300 AUTHORISATION TOKEN GENERATOR 400 410 TPM 2.0 TEE SGX HARDWARE ROOT SECURE ENCLAVE OF TRUST 500 HASH-CHAINED EVIDENCE LEDGER 510 520 BLOCKCHAIN POST-QUANTUM ANCHOR SIGNATURE (OpenTimestamps) (FIPS 204 / 205) BRIEF DESCRIPTION OF DRAWING 20 26 20 13 25 22 F eb 2 02 6 D R A W I N G S 2 0 2 6 2 0 1 3 2 5 2 2 F e b 2 0 2 6 e n f o r c e m e n t 1 1 0 1 2 0 2 0 0 2 1 0 2 2 0 C O M P L I A N C E R I S K 3 0 0 A U T H O R I S A T I O N T O K E N 4 0 0 4 1 0 T P M 2 . 0 T E E S G X H A R D W A R E R O O T 5 0 0 H A S H - C H A I N E D 5 1 0 5 2 0 B L O C K C H A I N P O S T - Q U A N T U M B R I E F D E S C R I P T I O N O F D R A W I N G

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