What question did this study set out to answer?

The aim is to develop a structural framework that enables AI systems to better understand and align with human cognition and interaction.

May 24, 2026Open Access

Structural OS for Human Understanding (SOHU): A Full-Stack Architecture for Meaning, Cognition, and AI Alignment

Key Points

The aim is to develop a structural framework that enables AI systems to better understand and align with human cognition and interaction.
Introduction of the Structural OS for Human Understanding (SOHU) framework with five layers.
Integration of the Human Natural Structure (HNS) 36-Matrix coordinate system and External Verification Architecture (EVA).
Alignment with ISO/IEC 42001:2023, the EU AI Act, and IEEE P7001 standards.
Establishment of interpretable AI alignment framework, enhancing human-AI interaction.
Implementation of mechanisms to prevent hallucinations at the conceptual level.
Provision of foundational infrastructure for cognitive alignment between humans and AI.

Abstract

Current AI systems demonstrate remarkable capability in language fluency, reasoning, and code generation, yet they consistently fail at a more fundamental task: structurally understanding the human being they interact with. This paper introduces Structural OS for Human Understanding (SOHU), a five-layer structural stack — Semantic OS, Cognitive OS, Interaction OS, Context OS, and Civilization Framework — built on top of the Human Natural Structure (HNS) 36-Matrix coordinate system. SOHU uses HNS as its kernel and integrates with the External Verification Architecture (EVA) to form the world's first structural full-stack OS for human-aligned AI. The framework provides: (1) interpretable AI alignment, (2) hallucination prevention at the conceptual level, and (3) foundational infrastructure for human-AI cognitive alignment. The HNS–SOHU–EVA three-layer architecture aligns with ISO/IEC 42001:2023, the EU AI Act, and IEEE P7001.

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