# Hidden Time/Randomness/Global State

> Reading the clock, randomness, or global state inside a computation, making its output nondeterministic.

Record: `lex:hidden-time-randomness-global-state`
Kind: anti-pattern
Layer: [Computation Core](https://banes-lab.com/records/layer/computation-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-hidden-time-randomness-global-state

## category

- [Correctness / Determinism / Verification](https://banes-lab.com/records/lex-category/correctness-determinism-verification.md)

## referenced-by

- [Determinism](https://banes-lab.com/records/arch/determinism.md)