# Stable Identity

> The requirement that an entity keep one stable identifier throughout its lifetime.

Record: `lexicon:stable-identity`
Kind: constraint
Layer: [Domain Modeling](https://banes-lab.com/records/layer/domain-modeling.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-stable-identity

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Relationship Semantics](https://banes-lab.com/records/lexicon/relationship-semantics.md) and before [Value Equality](https://banes-lab.com/records/lexicon/value-equality.md).

## Category

- [Domain Architecture](https://banes-lab.com/records/lexicon-category/domain-architecture.md)

## Required by

- [Entity](https://banes-lab.com/records/architecture/entity.md)

## Reinforced by

- [Declared Subject](https://banes-lab.com/records/architecture/declared-subject.md)
- [Reversible Channel Encoding](https://banes-lab.com/records/architecture/reversible-channel-encoding.md)

## Enabled by

- [Externally Resolved Slot](https://banes-lab.com/records/architecture/externally-resolved-slot.md)

## Linked from

- [Domain Architecture](https://banes-lab.com/ontology/principles/architecture-category-domain-architecture.md)
- [Coordination Surfaces](https://banes-lab.com/ontology/principles/architecture-category-coordination-surfaces.md)
- [Taxonomy / Classification / Naming](https://banes-lab.com/ontology/principles/architecture-category-taxonomy-classification-naming.md)