# Temporal Queries

> The ability to ask what a system's state was at any past point in time.

Record: `lex:temporal-queries`
Kind: capability
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-temporal-queries

## category

- [Event Messaging Async](https://banes-lab.com/records/lex-category/event-messaging-async.md)

## referenced-by

- [Append-Only Log](https://banes-lab.com/records/arch/append-only-log.md)