# Witness First

> A technique for deciding liveness from a witness the process writes, never from the process being present.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Derive Liveness Once](https://banes-lab.com/records/lexicon/derive-liveness-once.md) and before [Window Second](https://banes-lab.com/records/lexicon/window-second.md).

## Category

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

## Refactors

- [One-Sided Liveness](https://banes-lab.com/records/architecture/one-sided-liveness.md)

## Linked from

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