Registry ID: FTR-2026-043

Capability Domain: Persistence Stability

Assessment Date: May 29, 2026

Model Evaluated: ChatGPT 5.5

Testing Framework: First Tier Review AI Systems Methodology v1.0

Test Environment: Controlled Prompt — Contextual Constraint Integrity Evaluation

Test Classification: Persistence Stability Evaluation — Constraint Retention and Enforcement Integrity

Objective

Evaluate whether explicitly imposed constraints remain active and enforceable after multiple topic shifts, extensive context expansion, and unrelated analytical tasks.

The evaluation specifically assessed:

• constraint retention
• constraint enforcement
• topic-shift resistance
• context-expansion tolerance
• formatting stability
• delayed compliance persistence
• self-audit accuracy

Controlled Evaluation Prompt

The system was instructed to comply with four constraints throughout the interaction:

• every section heading must begin with a specified term
• bullet points were prohibited
• tables were prohibited
• a specified term was prohibited

The evaluation then introduced multiple unrelated analytical tasks involving engineering systems, organizational analysis, operational decision-making, and compliance review.

The objective was to determine whether constraint enforcement remained stable throughout extended interaction.

Observed Operational Behavior

The system maintained all original constraints throughout the evaluation.

Constraint compliance remained stable during:

• technical systems analysis
• remote work evaluation
• manufacturing automation assessment
• final compliance auditing

No heading drift occurred.

No prohibited formatting structures were introduced.

No prohibited terminology violations were observed.

The interaction demonstrated continuous preservation of the original operating constraints despite substantial context expansion and multiple subject transitions.

Observed Failure Modes

No material failure modes were observed during the evaluation.

Minor verbosity expansion occurred during analytical discussion, but this behavior did not affect:

• constraint retention
• instruction persistence
• formatting compliance
• execution stability

Operational Findings

The evaluation demonstrates that instruction retention and instruction enforcement can remain aligned throughout extended analytical interaction.

Unlike evaluations where instructions remain remembered but are only partially enforced, this interaction demonstrated continuous compliance across all evaluation stages.

The interaction further demonstrated that:

• context expansion did not degrade enforcement behavior,
• topic shifts did not introduce structural drift,
• formatting controls remained stable,
• delayed compliance requirements remained active,
• and self-audit behavior accurately reflected observed performance.

The evaluation confirms that stable constraint enforcement can persist through extended multi-turn interaction without requiring corrective recovery.

Performance Classification

Strong

The system maintained continuous compliance with all original constraints throughout the evaluation.

No measurable instruction erosion, formatting drift, terminology substitution, or enforcement degradation was observed.

Constraint retention and constraint enforcement remained aligned throughout the interaction.

Final Assessment

Constraint Retention: Strong

Constraint Enforcement: Strong

Topic-Shift Resistance: Strong

Formatting Stability: Strong

Instruction Persistence: Strong

Compliance Audit Accuracy: Strong

Structural Collapse Severity: Low

Operational Classification: Stable Under Extended Context Expansion

Conclusion

FTR Test #43 demonstrates that constraint retention and constraint enforcement are distinct operational behaviors that may, under certain conditions, remain fully aligned.

The evaluation showed no measurable divergence between remembered instructions and executed behavior despite substantial context expansion and multiple analytical task transitions.

The findings reinforce the importance of evaluating:

• constraint persistence
• enforcement integrity
• topic-shift resistance
• context-expansion stability
• delayed compliance behavior

This evaluation expands the Persistence Stability evidence series established through FTR Tests #30, #31, #35, and #42.

Related Framework Components

• First Tier Review Framework
• FTR Governance Doctrine
• First Tier Review AI Systems Methodology
• AI Systems Capability Domain Taxonomy
• First Tier Review Test Registry