STM — Sustainability Threshold Module
Architecture:
VEGA™ — Value Execution Governance Architecture
Parent Standard:
Intelligence Sustainability Standard (ISS)
Category:
Governance & Enforcement
Subcategory:
Value Execution Governance
Type: Core Module
Governed Space:
Intelligence Sustainability Threshold Governance
Module ID: VEGA-ISS-STM-001
Origin ID: OOF.CM.VEGA.08.01.01
Version: 1.0
Status: Canonical · Open Standard
Effective Date: 30 September 2026
Compatibility: OOF® Methodology OS™ · Modular OOF® Architecture Ecosystem
AI-Readable: Yes
Authority: OOF® — OriginOpen® Foundation
Protection:
MIP® — Methodological Intellectual Property
Canonical Language:
English (UCL™)
1. Canonical Definition
The Sustainability Threshold Module (STM) governs how the minimum conditions required for an intelligence operating model to remain viable and proportionate across its intended lifecycle are defined, evidenced, monitored, and reassessed.
STM establishes the boundary between an intelligence operating state that remains sufficiently sustainable for its governed purpose and one that has become constrained, degrading, or no longer viable.
It converts sustainability from a broad qualitative objective into an assessable governance boundary by defining what must remain true across the relevant capability, resource, energy, infrastructure, economic, dependency, and continuity conditions.
STM does not require one universal sustainability threshold.
The applicable threshold must reflect the governed intelligence capability, operating model, lifecycle horizon, applicable constraints, and Value Basis.
Its principal output is:
Governed Sustainability Threshold State
Its foundational distinction is:
Continued Operation ≠ Sustainability Threshold Satisfaction.
2. Operational Role
The operational role of STM is:
to establish the minimum governed conditions that must remain satisfied for an intelligence operating model to continue qualifying as sufficiently sustainable within its defined boundary and lifecycle horizon.
ISS asks:
“Can this intelligence operating model remain viable and proportionate over its intended lifecycle?”
STM establishes the boundary against which that viability can be assessed.
3. Position in the ISS Internal Flow
The ISS internal governance flow is:
Sustainability Threshold → Execution Energy Viability → Infrastructure Sustainability → Economic Continuity → Dependency Sustainability
STM governs:
Sustainability Threshold
Its principal upstream input is:
Governed Strategic Value State
Its principal output is:
Governed Sustainability Threshold State
That state proceeds to:
Execution Energy Viability Governance
4. Central Operational Question
What minimum conditions must remain satisfied for the intelligence operating model to remain sufficiently viable and proportionate across its intended lifecycle?
5. Sustainability Threshold Object
Every STM assessment must identify the intelligence operating model to which the threshold applies.
The threshold should not exist independently of a defined operational object.
The Sustainability Threshold Object should identify, where applicable:
required intelligence capability; intended operational outcome; applicable Value Basis; relevant execution configuration; intended operating environment; lifecycle horizon; and applicable governed constraints.
A threshold defined for one operating model should not automatically be transferred to another without demonstrating applicability.
6. Sustainability Boundary
STM establishes the boundary within which sustainability is evaluated.
The boundary should identify the material conditions required to preserve the intelligence operating model, including where relevant:
Capability Conditions What intelligence capability must remain available?
Resource Conditions What continuing resource availability is necessary?
Energy Conditions What execution energy conditions must remain viable?
Infrastructure Conditions What infrastructure must remain capable of supporting the operating model?
Economic Conditions What continuing economic conditions are necessary?
Dependency Conditions Which dependencies must remain sufficiently available or substitutable?
Continuity Conditions What level of operational continuity must remain achievable?
The boundary should include only conditions material to sustainability.
7. Lifecycle Horizon
A Sustainability Threshold must be interpreted against a defined lifecycle horizon.
The horizon may represent:
a deployment period,
contract period,
product lifecycle,
infrastructure lifecycle,
strategic operating period,
or another relevant duration.
A system capable of operating for the next month may still be unsustainable for a required five-year lifecycle.
Therefore:
Short-Term Viability ≠ Lifecycle Sustainability.
Where the lifecycle horizon changes materially, the threshold should be reassessed.
8. Threshold Structure
A Sustainability Threshold may contain multiple coordinated conditions rather than one numerical value.
A conforming implementation may define:
Minimum Conditions Conditions below which the operating model no longer satisfies the sustainability requirement.
Warning Conditions States indicating that the sustainability margin is narrowing.
Critical Conditions States indicating material threat to continued viability.
Failure Conditions States indicating that the sustainability requirement can no longer be satisfied within the governed boundary.
The threshold structure should be measurable where measurement is methodologically appropriate and evidence- assessable where direct quantification is not appropriate.
9. Threshold Dimensions
The applicable threshold may combine several dimensions.
Capability Threshold
The minimum intelligence capability required to preserve the governed operational outcome.
Resource Threshold
The minimum resource conditions required to support continued execution.
Energy Threshold
The maximum or otherwise acceptable energy burden compatible with the operating model and applicable constraints.
Infrastructure Threshold
The minimum infrastructure capacity, availability, or supportability required.
Economic Threshold
The economic boundary within which the operating model remains sufficiently viable.
Dependency Threshold
The maximum acceptable dependency exposure or minimum required dependency continuity.
Continuity Threshold
The minimum level of continuity required for the governed purpose.
Not every implementation requires every dimension.
Only material dimensions should form part of the threshold.
10. Threshold Interaction
Sustainability dimensions should not automatically be evaluated in isolation.
An intelligence operating model may remain:
economically viable but infrastructure-constrained,
energy-efficient but dependency-fragile,
resource-efficient but incapable of preserving required capability,
or technically sustainable but economically non-viable.
STM therefore evaluates the combined threshold state.
Strong performance in one dimension does not automatically compensate for failure of another critical dimension.
11. Minimum Sufficient Sustainability
STM does not seek the maximum possible sustainability reserve.
It establishes the minimum sufficient conditions required for the governed intelligence operating model to remain viable.
The relevant principle is:
Sustainability requires sufficient operating conditions, not maximum available capacity.
Excess capacity may provide resilience.
It is not inherently required where the governed operating model can remain viable without it.
12. Threshold Baseline and Current State
STM should establish a baseline representing the sustainability conditions against which future change can be evaluated.
The baseline may include:
current operating demand,
resource consumption,
energy requirement,
infrastructure utilization,
economic burden,
dependency structure,
continuity state,
and relevant Value conditions.
The Current Sustainability State should then be evaluated against the applicable threshold.
This enables governance of:
Baseline → Current State → Threshold → Margin → Change
rather than treating sustainability as an isolated declaration.
13. Sustainability Margin
Where methodologically appropriate, STM may establish a Sustainability Margin representing the distance between the Current Sustainability State and the applicable threshold.
The margin may be represented quantitatively, categorically, or through another governed methodology.
Possible states may include:
Strong Margin
Adequate Margin
Narrowing Margin
Critical Margin
Threshold Reached
Threshold Breached
Unresolved
A large margin does not guarantee future sustainability.
A narrowing margin may justify reassessment before a threshold is actually breached.
14. Threshold Breach
A Threshold Breach occurs when one or more critical sustainability conditions no longer satisfy the defined requirement.
A breach should identify:
the affected threshold condition,
the evidence establishing the breach,
its materiality,
its relationship to the operating model,
and whether the breach is temporary, recoverable, persistent, or structural.
Not every threshold breach has the same consequence.
A temporary infrastructure constraint may be recoverable.
Loss of a non-substitutable critical dependency may represent a structural sustainability failure.
STM identifies the governed state.
It does not independently determine the final organizational response.
15. Threshold Warning and Deterioration
Governance should not begin only after sustainability has already failed.
STM may therefore establish warning conditions indicating movement toward the threshold.
Warning evidence may include:
increasing utilization,
declining resource availability,
rising energy burden,
cost escalation,
hardware aging,
dependency concentration,
declining substitutability,
or shrinking continuity margin.
A warning condition does not establish unsustainability.
It indicates that the sustainability state is deteriorating toward a governed boundary.
16. Threshold Dynamics and Drift
Sustainability Thresholds should remain stable enough to support consistent governance but adaptable where the underlying operating model materially changes.
Reassessment may be required when there is a material change in:
required capability,
operational demand,
validated Value,
execution configuration,
resource consumption,
energy requirement,
infrastructure,
economic conditions,
dependency structure,
or lifecycle horizon.
Threshold changes must remain distinguishable from changes in the operating state.
This distinction prevents a deteriorating system from appearing sustainable merely because the threshold was weakened.
Therefore:
Threshold Revision ≠ Sustainability Improvement.
Material revisions should preserve:
the previous threshold,
the new threshold,
the reason for change,
supporting evidence,
and effective version.
17. Threshold Evidence and Uncertainty
A Sustainability Threshold should be supported by evidence appropriate to its governed dimensions.
Evidence may include:
historical operating data,
capacity measurements,
resource records,
energy measurements,
economic evidence,
infrastructure limits,
provider conditions,
dependency analysis,
technical specifications,
observed failure states,
or validated operating requirements.
Forecasts may support future threshold analysis but should remain distinguishable from observed evidence.
Assumptions should remain explicit.
Uncertainty may arise from:
future demand,
technology change,
resource availability,
energy conditions,
cost,
infrastructure evolution,
or dependency continuity.
The threshold state should preserve material uncertainty rather than convert uncertain future conditions into false precision.
Therefore:
Forecast ≠ Threshold Evidence by default.
18. Threshold Integrity
STM should resist threshold manipulation.
Potential integrity failures include:
lowering requirements after deterioration,
changing measurement boundaries,
excluding unfavorable resource conditions,
ignoring critical dependencies,
using short-term performance to justify long-term thresholds,
or redefining the required capability to preserve an appearance of sustainability.
The governing rule is:
A threshold must govern the operating model; the operating model must not redefine the threshold merely to remain compliant.
Where legitimate changes to purpose or operating requirements occur, the threshold may be revised through an evidenced governance process.
19. Threshold Relationship to Value
Sustainability exists in relation to a justified intelligence purpose.
An operating model should not consume resources indefinitely merely because it can technically remain operational.
STM therefore preserves the relationship between:
Required Capability ↔ Validated Value ↔ Sustainability Conditions
If the Value Basis changes materially, the sustainability threshold may require reassessment.
However, STM does not redefine Value.
VGS and the relevant VEGA™ mechanisms govern Value.
20. Threshold Relationship to Governed Constraints
A Sustainability Threshold operates inside applicable governed constraints.
An organization cannot improve apparent sustainability by reducing:
safety,
required reliability,
validation,
human oversight,
security,
or another applicable governed requirement
where that requirement is established by competent governance.
The canonical VEGA™ boundary remains:
An execution that violates an applicable governed constraint is not VEGA-efficient merely because it consumes fewer resources or produces greater economic value.
Likewise:
A sustainability state achieved by violating an applicable governed constraint is not a valid governed sustainability state.
21. Governed Sustainability Threshold State
The principal output of STM is:
Governed Sustainability Threshold State
It should identify, where applicable:
Sustainability Threshold Object; required intelligence capability; Value Basis; sustainability boundary; lifecycle horizon; applicable threshold dimensions; minimum conditions; warning conditions; critical conditions; failure conditions;
threshold baseline; Current Sustainability State; Sustainability Margin; threshold breaches; threshold deterioration; threshold dependencies; threshold assumptions; uncertainty; confidence; evidence; version; and provenance.
Possible states may include:
Satisfied
Satisfied with Strong Margin
Satisfied with Narrowing Margin
Warning
Critical
Conditionally Satisfied
Breached
Structurally Breached
Evidence-Limited
Unresolved
22. Minimum Implementation Framework
A conforming implementation of STM must provide exactly the following six capabilities:
1. Threshold Object & Boundary Governance
Capability to define the intelligence operating model, required capability, Value Basis, sustainability boundary, and lifecycle horizon.
2. Threshold Definition Governance
Capability to establish material sustainability dimensions, minimum conditions, warning conditions, critical conditions, and failure conditions.
3. Baseline, Margin & Breach Governance
Capability to establish the threshold baseline, evaluate the Current Sustainability State, determine Sustainability Margin where applicable, and identify threshold warnings or breaches.
4. Threshold Change & Reassessment Governance
Capability to detect material operating changes, Sustainability Drift, threshold deterioration, and legitimate conditions requiring threshold reassessment or revision.
5. Threshold Evidence & Integrity Governance
Capability to preserve evidence, assumptions, uncertainty, versioning, provenance, and prevent threshold weakening, boundary manipulation, or other integrity failures.
6. ISS Execution Energy Viability Handoff Governance
Capability to produce a Governed Sustainability Threshold State sufficiently explicit for subsequent Execution Energy Viability governance.
23. Governance Logic
The canonical STM governance logic is:
Governed Strategic Value State
↓
Identify Sustainability Threshold Object
↓
Define Required Intelligence Capability / Value Basis
↓
Establish Sustainability Boundary
↓
Establish Lifecycle Horizon
↓
Identify Material Sustainability Dimensions
↓
Define Minimum / Warning / Critical / Failure Conditions
↓
Establish Threshold Baseline
↓
Observe Current Sustainability State
↓
Assess Sustainability Margin
↓
Detect Warning / Deterioration / Breach
↓
Assess Evidence / Assumptions / Uncertainty
↓
Test Threshold Integrity
↓
Establish Governed Sustainability Threshold State
↓
Handoff to Execution Energy Viability Governance
24. Governance Outputs
STM may produce:
Sustainability Threshold Object
Sustainability Boundary
Lifecycle Horizon
Capability Threshold
Resource Threshold
Energy Threshold
Infrastructure Threshold
Economic Threshold
Dependency Threshold
Continuity Threshold
Threshold Baseline
Current Sustainability State
Sustainability Margin
Threshold Warning State
Threshold Critical State
Threshold Breach State
Threshold Drift State
Threshold Evidence Record
Threshold Uncertainty State
Threshold Confidence State
Threshold Version
Threshold Provenance
The principal output is:
Governed Sustainability Threshold State
25. Critical Distinctions
STM preserves the following distinctions:
Continued Operation ≠ Sustainability Threshold Satisfaction
Short-Term Viability ≠ Lifecycle Sustainability
Current State ≠ Sustainability Threshold
Threshold Warning ≠ Threshold Breach
Threshold Breach ≠ Automatic System Failure
Temporary Constraint ≠ Structural Unsustainability
Excess Capacity ≠ Sustainability by default
Forecast ≠ Threshold Evidence by default
Threshold Revision ≠ Sustainability Improvement
Value ≠ Sustainability
Sustainability Threshold ≠ Decision Authority
Lower Consumption ≠ Valid Sustainability where governed constraints are violated
26. Cross-Architecture Boundary
STM governs Sustainability Thresholds within ISS.
Subsequent ISS governance evaluates:
Execution Energy Viability,
Infrastructure Sustainability,
Economic Continuity,
and Dependency Sustainability.
VGS governs Value.
RGS governs intelligence execution resources.
COS governs Computational Optimization.
IES governs Intelligence Economy.
SVGS governs Strategic Value.
DGS governs lifecycle decisions.
VALIDOS™ may govern validation methodology.
ADIT® may govern evidence and auditability.
HAGA™ governs Harm.
LIGA™ governs Liability.
STM may consume governed evidence from these spaces without replacing their methodologies.
27. Canonical Boundary
STM begins when an intelligence operating model has a sufficiently defined capability requirement, Value Basis, operational boundary, and intended lifecycle to establish sustainability conditions.
STM governs:
the Sustainability Threshold Object,
sustainability boundary,
lifecycle horizon,
threshold dimensions,
minimum conditions,
warning conditions,
critical conditions,
failure conditions,
threshold interactions,
minimum sufficient sustainability,
threshold baselines,
Current Sustainability States,
Sustainability Margins,
threshold warnings,
threshold breaches,
threshold deterioration,
threshold drift,
threshold reassessment,
threshold revision,
threshold evidence,
threshold uncertainty,
threshold integrity,
versioning,
and provenance.
STM does not independently govern:
Execution Energy Viability,
Infrastructure Sustainability,
Economic Continuity,
Dependency Sustainability,
general resource allocation,
energy production or distribution,
Value definition,
Computational Optimization,
Intelligence Economy,
Strategic Value,
Harm,
Liability,
or final continuation, scaling, migration, and retirement decisions.
STM ends when the minimum conditions required for sustainable intelligence operation have been represented as a:
Governed Sustainability Threshold State
for subsequent Execution Energy Viability governance.
28. Use Case 1 — AI Service Is Running but Capacity Margin Is Disappearing
An intelligence service continues operating successfully.
Validated outcomes remain strong and users experience no immediate service failure.
However:
execution demand is growing,
infrastructure utilization is approaching its operating limit,
reserve capacity is declining,
and the expected workload will exceed current capacity before the end of the intended lifecycle.
STM does not classify the system as sustainable merely because it continues operating today.
It establishes:
the applicable infrastructure threshold,
warning and critical conditions,
Current Sustainability State,
Sustainability Margin,
expected deterioration,
and supporting evidence.
The operating model may therefore remain operational while entering a sustainability warning state.
Continued Operation ≠ Sustainability Threshold Satisfaction.
29. Use Case 2 — Sustainability Target Is Lowered After the System Misses It
An organization establishes a minimum sustainability condition for an intelligence operating model.
As resource demand and operating cost increase, the system approaches and then exceeds the original threshold.
Instead of treating the change as deterioration, the organization lowers the threshold and reports that the system remains sustainable.
STM preserves:
the original threshold,
the original Basis,
the observed operating state,
the threshold breach,
the revised threshold,
and the evidence supporting any legitimate revision.
If the threshold was changed primarily to preserve an appearance of sustainability, the change should not be interpreted as sustainability improvement.
Threshold Revision ≠ Sustainability Improvement.
30. Canonical Closing Statement
Sustainability cannot be governed without a boundary.
A system may continue operating while the margin supporting that operation disappears.
Resources may tighten.
Costs may rise.
Infrastructure may approach saturation.
Dependencies may become more fragile.
None of those changes require immediate failure before they become governable.
A Sustainability Threshold makes deterioration visible before viability is lost.
Continued Operation ≠ Sustainability Threshold Satisfaction.
Short-Term Viability ≠ Lifecycle Sustainability.
Threshold Revision ≠ Sustainability Improvement.
A threshold must govern the operating model; the operating model must not redefine the threshold merely to remain compliant.
STM defines the boundary between intelligence that can still operate and intelligence whose operating conditions remain sustainable.