Results updated 19 Sep 2026

Datasets

Every retained source, its composition, provenance and results.

ScopeAll languagesPII + secrets41 datasets227,466 normalized annotationsDataset task / annotation type2026-09-19
Dataset slice
41datasets
3language groups
41,643input rows
227,466gold annotations

Dataset catalog

41 of 41 datasets in this slice · synthetic flags identify project-generated datasets; upstream sources may also be synthetic.

ENSECRETSEasy · 17.9%

creddata

1,477 rows776 annotations
apache-2.0 (meta); file texts under their repositories' licenses
Original sourceSHA 9f76e85f
ENSECRETSHard · 50.5%

synth-env-configs

400 rows392 annotations
Project syntheticcc-by-4.0
Generated in this projectSHA 70f9e642
RUPIIMedium · 32.9%

synth-jira-comments

300 rows2,705 annotations
Project syntheticcc-by-4.0
Generated in this projectSHA 8e111bf3
RUPIIMedium · 33.4%

synth-ru-tickets

400 rows32,099 annotations
Project syntheticcc-by-4.0
Generated in this projectSHA 6645bf63
ENSECRETSMedium · 42.0%

synth-secrets-en

600 rows581 annotations
Project syntheticcc-by-4.0
Generated in this projectSHA 6237765e
RUSECRETSMedium · 40.5%

synth-secrets-ru

600 rows581 annotations
Project syntheticcc-by-4.0
Generated in this projectSHA 50a41a2e
RUPIIMedium · 31.4%

synth-wiki-tables

300 rows13,094 annotations
Project syntheticcc-by-4.0
Generated in this projectSHA 0a1459c9
PII Arena · Frozen 09 Sep 2026Publication v1.0.3 · MIT licensed