Glossary entry

Identity Fragility Index

Glossary entry in Measures & indicators. Definitions, checks, and evidence for Identity Fragility Index.

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Quick takeaways

A measure of how likely identity or eligibility checks are to fail under ordinary life variance such as name changes, relocation, disability, or housing instability.

Definition

A measure of how likely identity or eligibility checks are to fail under ordinary life variance such as name changes, relocation, disability, or housing instability. High fragility indicates brittle verification design rather than user fault.

Reducing fragility requires multi-path verification and tolerance for common real-world data variation.

Adjacent terms

Related concepts

Also tagged: Burden

Also tagged: Visibility

Example corpus

  • A service tracks false negatives after surname changes and adjusts matching logic plus manual override policy to prevent exclusion.

References

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Version

v1.1.0

Last updated

Jan 9, 2026

DOI

Pending Zenodo deposit

APA

Ethotechnics Institute Research Team. (2026). Identity Fragility Index. Ethotechnics glossary. https://ethotechnics.org/glossary/identity-fragility-index

MLA

Ethotechnics Institute Research Team. "Identity Fragility Index." Ethotechnics glossary, 2026, https://ethotechnics.org/glossary/identity-fragility-index.

Chicago

Ethotechnics Institute Research Team. "Identity Fragility Index." Ethotechnics glossary. Jan 9, 2026. https://ethotechnics.org/glossary/identity-fragility-index.

BibTeX

@misc{glossary_identity-fragility-index,
  title={Identity Fragility Index},
  author={Ethotechnics Institute Research Team},
  year={2026},
  howpublished={Ethotechnics glossary},
  url={https://ethotechnics.org/glossary/identity-fragility-index},
  version={v1.1.0}
}

RIS

TY  - WEB
TI  - Identity Fragility Index
AU  - Ethotechnics Institute Research Team
PY  - 2026
UR  - https://ethotechnics.org/glossary/identity-fragility-index
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.