# Version Vector

> A set of per-node counters that together capture the causal history of a replicated item.

Record: `lexicon:version-vector`
Kind: artifact
Layer: [Causality Core](https://banes-lab.com/records/layer/causality-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-version-vector

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Single Global Clock Assumption](https://banes-lab.com/records/lexicon/single-global-clock-assumption.md) and before [Happens-Before Reasoning](https://banes-lab.com/records/lexicon/happens-before-reasoning.md).

## Category

- [Causality / Ordering / Distributed Time](https://banes-lab.com/records/lexicon-category/causality-ordering-distributed-time.md)

## Required by

- [Vector Clocks](https://banes-lab.com/records/architecture/vector-clocks.md)

## Linked from

- [Causality / Ordering / Distributed Time](https://banes-lab.com/ontology/principles/architecture-category-causality-ordering-distributed-time.md)