# No Hidden State

> The requirement that a processor keep no state hidden between invocations, taking all inputs explicitly.

Record: `lex:no-hidden-state`
Kind: constraint
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-no-hidden-state

## category

- [Streaming / Pipeline / Dataflow Processing](https://banes-lab.com/records/lex-category/streaming-pipeline-dataflow-processing.md)

## referenced-by

- [Stateless Processing](https://banes-lab.com/records/arch/stateless-processing.md)