# Derive State from Edges

> A technique for removing a written status field and computing a record's state from the edges that connect it.

Record: `lexicon:derive-state-from-edges`
Kind: technique
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-derive-state-from-edges

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Mark the Invariant Unheld](https://banes-lab.com/records/lexicon/mark-the-invariant-unheld.md) and before [Allocate Identity Once](https://banes-lab.com/records/lexicon/allocate-identity-once.md).

## Category

- [Coordination Surfaces](https://banes-lab.com/records/lexicon-category/coordination-surfaces.md)

## Refactors

- [Derived Record State](https://banes-lab.com/records/architecture/derived-record-state.md)
- [Written Status Marker](https://banes-lab.com/records/architecture/written-status-marker.md)

## Linked from

- [Coordination Surfaces](https://banes-lab.com/ontology/principles/architecture-category-coordination-surfaces.md)