Open standards & artifacts for accountable systems.

Glossary entry

Permanent link /glossary/time-to-halt

Time-to-Halt (TTH)

Glossary entry in Measures & indicators. Definitions, checks, and evidence for Time-to-Halt (TTH).

Glossary index

Return to the glossary index.

Explore 13 glossary territories and search 211 terms from one place.

Browse the glossary

Quick takeaways

Seconds between a harmful process beginning and the system stopping it—an essential complement to stoppability .

Definition

Seconds between a harmful process beginning and the system stopping it—an essential complement to stoppability.

Targets & breach behavior. Measurement window: weekly p95; monthly p99. Target / floor / ceiling: target ≤ 30s (automated) / ≤ 5 min (human), floor 15 min, ceiling 60 min. Owner: Traceable Ownership (must have). Breach action: trigger ethical circuit breakers, safe pause, or rollback lane activation with escalation. Public surface: receipt + time transparency showing halt status and decision artifact.

Scope
G. Measures & indicators. Metrics that track moral performance across systems.
Genealogy
Ethotechnics uses Time-to-Halt (TTH) to extend the g. measures & indicators vocabulary and connect governance, design, and policy teams.

Copy citation (APA/BibTeX)

Cite this glossary entry Formats: APA, MLA, Chicago, BibTeX, RIS

Version

v1.1.0

Last updated

Jan 9, 2026

DOI

Pending Zenodo deposit

APA

Ethotechnics Institute Research Team. (2026). Time-to-Halt (TTH). Ethotechnics glossary. https://ethotechnics.org/glossary/time-to-halt

MLA

Ethotechnics Institute Research Team. "Time-to-Halt (TTH)." Ethotechnics glossary, 2026, https://ethotechnics.org/glossary/time-to-halt.

Chicago

Ethotechnics Institute Research Team. "Time-to-Halt (TTH)." Ethotechnics glossary. Jan 9, 2026. https://ethotechnics.org/glossary/time-to-halt.

BibTeX

@misc{glossary_time-to-halt,
  title={Time-to-Halt (TTH)},
  author={Ethotechnics Institute Research Team},
  year={2026},
  howpublished={Ethotechnics glossary},
  url={https://ethotechnics.org/glossary/time-to-halt},
  version={v1.1.0}
}

RIS

TY  - WEB
TI  - Time-to-Halt (TTH)
AU  - Ethotechnics Institute Research Team
PY  - 2026
UR  - https://ethotechnics.org/glossary/time-to-halt
ER  -

Scholarly metadata

Authorship

Contact: research@ethotechnics.org

Publication details

  • Published: Dec 3, 2025
  • Last updated: Jan 9, 2026
  • Version: v1.1.0
  • DOI: Pending Zenodo deposit

License: CC BY-SA 4.0

Credit Ethotechnics Institute, include the term title + version, and link to the glossary permalink.

Archive snapshot: Wayback capture

Changelog

  • v1.1.0 · 2026-01-09 — Expanded scholarly metadata, operational tests, and provenance notes.
  • v1.0.0 · 2025-12-03 — Initial glossary release with stable permalinks.