Standard: Harm Change & Propagation Standard (HCPS) Architecture: HAGA™ —
Harm Governance Architecture Governed Space: Harm Change & Propagation
Governance

What It Governs

The Harm Change & Propagation Standard (HCPS) governs what happens when an
already governed Harm materially changes over time or extends beyond its
existing manifestation.

It governs five fundamental Harm dynamics:

Change Identification → Accumulation → Compounding → Propagation →
Cascading

HCPS establishes how Harm can:

increase or decrease

accumulate through repeated or continuing contributions

compound through interacting conditions

propagate across subjects, objects, systems, domains, locations, or
environments

and:

generate downstream Harm through cascading consequences Why It Exists

Harm does not necessarily remain in the form, scope, or location in which
it was originally determined.

A Harm may begin locally and later affect:

additional subjects

other systems

different domains

connected infrastructure

other organizations

or:

downstream environments

It may also continue developing after the original Harm-producing
mechanism has stopped.

Without explicit Change & Propagation governance, these dynamics can be
mistaken for simple State changes, treated as unrelated incidents, or lost
across technical and organizational boundaries.

HCPS exists to preserve the actual trajectory of Harm. How It Works

HCPS receives the:

Governed Harm State

from HSS.

It then governs:

Change Identification → Accumulation → Compounding → Propagation →
Cascading

The Standard distinguishes several fundamentally different dynamics.

Accumulation occurs where repeated or continuing contributions
progressively increase Harm.

Compounding occurs where interacting Harm conditions materially amplify
consequences beyond simple addition.

Propagation occurs where existing Harm extends into additional materially
affected scope.

Cascading occurs where one Harm consequence creates conditions that
generate further downstream Harm.

These distinctions prevent every worsening Harm condition from being
reduced to the generic conclusion:

“The Harm increased.” What It Prevents

HCPS prevents methodological shortcuts such as:

Variation = Material Harm Change

Accumulation = Compounding

Propagation = Cascading

Spread = New Harm by Default

Related Harm = Same Harm by Default

Component Change = Composite Harm Change

Individual Improvement = Collective Harm Reduction

Mechanism Termination = Harm Dynamics Termination

Predicted Propagation = Actual Propagation

Simulated Propagation = Actual Propagation

Operational Change = Harm Change

and:

Harm Change = Harm State Transition

It also prevents technical, organizational, agent, system, or geographic
fragmentation from hiding a materially coherent Harm trajectory.
Relationship to HAGA™

HCPS occupies the lifecycle position between Harm State and Harm
Containment:

Harm Determination → Harm State → Harm Change & Propagation → Harm
Containment → Harm Mitigation → Harm Recovery & Residual Harm → Harm
Resolution & Finality

HSS asks:

What is the current governed state of Harm?

HCPS asks:

How does existing Harm change, accumulate, compound, spread, cascade, or
create downstream Harm?

HCOS then asks:

How can further expansion, propagation, or escalation of Harm be bounded
or stopped?

The architectural distinction is:

HSS governs the State produced by Harm dynamics.

HCPS governs the dynamics through which Harm changes.

HCOS governs the containment of further Harm expansion.

Where propagation materially challenges the existing Governed Harm
Boundary, HCPS may trigger Boundary reassessment.

Where a materially distinct downstream Harm forms, that Harm may require
its own HAGA™ lifecycle governance. Use Case 1 — Harm Continues
Propagating After the Origin Stops

An autonomous system produces a Harm affecting one operational
environment.

The autonomous system is disabled.

However, consequences already created by its actions continue moving
through dependent systems and produce effects in additional environments.

HCPS does not conclude:

System Stopped → Harm Stopped

Instead, it governs:

Existing Harm → Propagation Pathway → Additional Affected Scope →
Downstream Consequences

Where the effects remain part of the same governed Harm, identity
continuity is preserved.

Where a materially distinct downstream Harm forms, appropriate HAGA™
lifecycle governance is initiated for that Harm.

The governing principle is:

Termination of the originating mechanism does not necessarily terminate
Harm propagation. Use Case 2 — Individually Limited Effects Accumulate and
Compound

A subject experiences repeated individually limited harmful effects over
an extended period.

No single interaction independently represents the complete Harm-producing
condition.

Over time, the effects accumulate.

Additional conditions then interact with the accumulated Harm and
materially amplify its consequences.

HCPS distinguishes:

Repeated Contributions → Accumulation

from:

Interacting Conditions → Compounding

It does not require one dominant Harm-producing event to explain the
complete Harm trajectory.

The governing principle is:

Individually limited contributions may produce material accumulated Harm,
and accumulated Harm may become materially greater through compounding
conditions.

What It Does Not Govern

HCPS does not determine whether Harm originally exists, perform Harm
Recognition or Determination, independently redefine the Governed Harm
Boundary, or classify the current Harm State.

It does not replace HSS State Transition governance.

It does not perform:

Harm Containment

Harm Mitigation

Recovery governance

Residual Harm determination

Resolution

or:

Finality

HCPS also does not determine general causation, accountability,
responsibility, liability, claims, compensation, or jurisdiction-specific
legal consequences.

Operational mechanisms, evidence, validation, integrity, simulation,
prediction, autonomous execution, and related governance remain within
their respective OOF® architectures.

Why It Matters

Some of the most consequential Harm does not remain where it started.

It can develop through:

time

repetition

interaction

dependencies

networks

systems

organizations

infrastructure

and:

downstream consequences

A governance model focused only on the original Harm event can therefore
lose the actual Harm trajectory.

HCPS provides the methodological layer for following that trajectory while
preserving the distinction between:

the same Harm changing

and:

new Harm emerging from its consequences

This distinction becomes increasingly important in interconnected human,
AI, autonomous, digital, physical, infrastructural, and societal systems.

Closing Statement

Harm does not have to remain where it began.

It may accumulate without a single dominant event, compound through
interacting conditions, propagate beyond its original scope, and generate
downstream Harm after its originating mechanism has stopped.

HCPS keeps that changing consequence governable without collapsing
accumulation, compounding, propagation, cascading, and new Harm formation
into the same concept.

Harm governance must follow the trajectory of Harm wherever that
trajectory materially leads.