SORT-AI treats advanced AI systems as coupled execution fabrics rather than isolated model instances. In such systems, model execution, runtime orchestration, control policies, memory paths, serving layers, and agentic workflows interact as a composed system. The most relevant effects often arise between components, across layers, and along coupling surfaces. SORT-AI therefore provides a Level-0 Structural Assessment Framework for reading these composed systems before implementation-specific telemetry, scoring, weighting, thresholds, intervention logic, or runtime execution engines are introduced.
The methodology is organized across three linked research artefacts. The SORT-AI Domain Paper defines the canonical domain architecture: Domain, Cluster, Application, Structural Dimensions V1–V4, Scenario Class, Metric Set, and Regime Classification. The V1–V4 Diagnostic Protocol formalizes how an observed AI-fabric condition becomes a structurally assessable case. The Kernel-Damping Evidence Protocol then defines how selected declared risk-transition cases can be reproduced mathematically as analysis-layer evidence.
Domain Paper → V1–V4 Diagnostic Protocol → Kernel-Damping Evidence Protocol
Defines SORT-AI as the canonical Level-0 structural assessment architecture for advanced AI systems. It organizes the AI domain through Domain, Cluster, Application, V1–V4 diagnostic grammar, Scenario Classes, Metric Sets, and Regime Classification.
Open DOI →Defines the public assessment path from AI-fabric observation through V1–V4 to Application identity, Scenario Class, Metric Set, Regime Classification, and Evidence Interface.
Open DOI →Defines the reproducible Core-3 evidence protocol for declared structural risk transitions under the canonical SORT scale parameter.
Open DOI →Modern AI systems may show healthy local metrics while degrading as composed systems. A model may pass benchmarks while the deployment fabric develops latency variance, retry amplification, cost escalation, control incoherence, or reduced reproducibility. The methodology layer exists to make these conditions structurally readable. It separates the act of identifying a structural problem form from the act of making that problem form assessable under declared scenarios, metrics, regimes, and evidence interfaces.
The formal structural reference layer and domain architecture.
The public grammar that maps observations to assessment cases.
Reproducible analysis-layer calculations for declared structural risk transitions.
The Public Analysis Layer is the bridge between architectural classification and reproducible evidence. It does not replace observability systems, benchmarks, runtime logs, or production telemetry. Instead, it provides the ordering logic that determines how observations from those systems can be read as structural conditions.
S_D → (V1, V2, V3, V4) → A_j → C_jℓ → M_jℓ → ρ_jℓ → E_jℓ
S_D — structured system state in domain DV1–V4 — diagnostic dimensionsA_j — application identityC_jℓ — scenario classM_jℓ — metric setρ_jℓ — regime classificationE_jℓ — evidence interfaceThe first segment, from system observation to V1–V4, is diagnostic. It identifies what is visible, what structural relation makes it intelligible, what effect space it enters, and what decision or evidence surface becomes relevant. The second segment, from Application identity to Evidence Interface, is assessment-oriented. It anchors the diagnosis to a reusable application, a typed scenario class, a declared metric set, a regime classification, and a compatible evidence interface.
The Public Analysis Layer explains how a structural observation becomes an assessment case before it is connected to a reproducible evidence protocol or future execution layer.
The methodology is published as a public analysis layer. The boundary below separates what is disclosed from what remains implementation-specific.
Public grammar for moving from observed AI-fabric conditions through V1–V4 into a formal assessment case. It explains how diagnostics become assessment without disclosing telemetry mapping, scoring, weighting, thresholds, or intervention logic.
Open →Reproducible analysis-layer protocol for declared structural risk transitions in the Core-3 applications AI.01, AI.04, and AI.13. It reconstructs damping quotients, implied structure-mode magnitudes, scenario means, dispersions, and coefficients of variation.
Open →Source documents for the public assessment grammar, assessment-case tuple, scenario hierarchy, public/private boundary, and reproducibility interfaces.
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