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Technical White Paper:

Structural Assurance and Evidence Maturity Across the Command-and-Control Architecture

Abstract

This paper presents the formal coverage status, structural models, and empirical verification records for a 20-module taxonomy designed for trust anchoring, sensor attestation, and authority governance within a virtual command-and-control (V2C2) layer. Rather than treating architectural integrity as a binary state, we document the precise formal claims, domain bounds, counterexamples, and explicit withdrawals across all portfolio components. Evidence ranges from model-checked specifications and unit tests to browser-based discrete simulations and hardware reference designs.

1. Formal Evidence &
Taxonomy Coverage Status

Portfolio components are categorized under a 20-module functional taxonomy. Because structural assurance varies across system boundaries, evidence maturity is explicitly segmented by artifact type:

Peer-Reviewed Foundations:

Formal sensor trust mechanisms.

Model-Checked Specifications:

Discrete state-space verifications (TLA+).

Software Test & Simulation Suites:

Browser-based discrete simulations and automated unit test coverage.

Unbuilt Reference Designs:

Hardware-level specifications awaiting silicon or FPGA instantiation.

External Evaluation Record

A program technical paper detailing conditions-based authority governance and assurance for the virtual command-and-control layer was formally evaluated under Air Force Research Laboratory (AFRL) Broad Agency Announcement FA8750-24-S-7003 (CANVAS). The evaluation assessed the architecture as a technical topic of interest to the Air Force; it was not funded at the evaluation epoch due to documented budgetary constraints (AFRL Memorandum, June 2026).

Notice: An external evaluation record documents technical review and baseline topic relevance; it does not constitute an endorsement, operational sponsorship, or award of contract by the evaluating entity.

2. Sensor Trust, Consensus, and
Formal State-Space Analysis

The architecture decouples operational trust into three mathematical and algorithmic primitives:

01

Sensor Trust Anchoring:

Uncertainty and multi-source belief updating are modeled using Dempster-Shafer Evidence Theory. Sensor attestation protocols follow the peer-reviewed baseline established by Oktenli (2026).

02

Agreement Protocol:

High-level consensus across distributed nodes relies on Byzantine Fault Tolerance (BFT) algorithms to maintain state consistency across non-trusted networks.

03

Authority State Machine:

The discrete authority transition automaton is formally specified and model-checked in TLA+.

Sensor Inputs
Dempster-Shafer
Integration
Attestations
System State
TLA+ Model-Checked
Automaton
Distributed
Byzantine Fault
Tolerance
Executed Authority

Sensor Inputs

Dempster-Shafer Integration

Attestations

System State

TLA+ Model-Checked Automaton

Distributed

Byzantine Fault Tolerance

Executed Authority

3. TLA+ Verification Bounding
& Property Analysis

The TLA+ model-checking execution evaluated the authority state automaton across 26,397,356 generated states, resolving 23,748 distinct reachable states at a maximum verification depth of 9.

26,397,356

Generated states

23,748

Distinct reachable states

Depth 9

Maximum verification depth

Scope and domain assumptions

Discrete Boundary:

The formal verification applies strictly to the discrete authority state machine under the simplifying assumption that instantaneous authority equals its designated target.

Continuous Exclusion:

The current specification does not cover continuous or transitional dynamics between discrete decision instants.

Property evaluation results
SCHEMATIC
| TLA+ PROPERTY CHECKS (BOUND: DEPTH 9)
| [PASS] Invariants (5/5)
| [PASS] Liveness Property (1/1)
| [VACUOUS] Unreached Properties (2/8)

01

Invariants (5/5 Verified):

Five safety invariants held without state violations across all reachable states within the bound.

02

Liveness (1/1 Verified):

One core liveness property confirmed non-blocking terminal paths within the search space.

03

Vacuous Claims (2/8 Unreached):

Two properties yielded a vacuous truth status at depth 9 due to path unreachability within the bound:

Property $P_{\text{upgrade}}$: Formal proof path for the dynamic upgrade-path protocol.

Property $P_{\text{trust}}$: Formal check for trust-authority consistency under localized fault injection.

4. Hardware Platform
& Property Analysis

Physical instantiation requirements are maintained across 12 target hardware reference designs. These specifications outline memory maps, cryptoprocessor interfaces, and bus isolation barriers for edge-deployed attestation anchors:

Hardware Status:

The 12 platform targets currently exist as unbuilt hardware reference designs and logical interface specifications.

Verification Scope:

Physical signal timing, thermal limits, and physical side-channel attacks are excluded from current formal software bounds and require FPGA/silicon prototyping for verification.

References

Oktenli, B. SATA:

Sensor Attestation and Trust Anchoring. Journal of Hardware and Systems Security (Springer Nature) 10, 17 (2026). DOI: 10.1007/s41635-026-00190-4.

Air Force Research Laboratory (AFRL).

Broad Agency Announcement FA8750-24-S-7003 (CANVAS) Technical Evaluation Memorandum. June 2026.