Formal proof demonstrates that the PIC model enforces origin-bounded authority in distributed execution systems, suggesting it eliminates the Confused Deputy problem.
This work presents a formal proof of the PIC Model (Provenance Identity Continuity) for distributed execution systems, showing that it eliminates the Confused Deputy problem by enforcing origin-bounded authority and by preserving causal provenance across all execution hops.PIC Model: https://zenodo.org/records/17777421
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Gallo, Nicola (2025) studied this question.
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