USCIS historical data correction
Correction effective and independently verified: .
Historical rows were deterministically reconstructed from 1,537 daily source snapshots. This release corrects 37,805 historical rows: 37,802 with corrected case-inquiry dates, 37 of which also had their normalized processing-time range corrected, plus 3 with corrected range-unit labels only. Current USCIS values are unchanged across 495 source rows.
37
range rows
37,802
case-inquiry dates
495
current rows unchanged
Correction files
- Field-level change manifest (JSON Lines)
- Machine-readable correction manifest
- Original range mismatches
- Original case-inquiry date mismatches
External mirror status
2 of 7 external repositories have independently verified corrected versions. All 7 legacy versions remain available for reproducibility; the remaining 5 repositories do not yet have independently verified public corrected versions.
| Platform | Identifier | Status |
|---|---|---|
| Zenodo | 10.5281/zenodo.21311840 | corrected v2 independently verified; legacy v1 10.5281/zenodo.19529862 retained |
| Harvard Dataverse | 10.7910/DVN/NBV9M5 v2.0 | corrected v2.0 independently verified; legacy v1.0 retained |
| Kaggle | priyasharmaimmt/uscis-immigration-processing-times v1 | legacy v1 retained; corrected version pending separate authorization |
| figshare | 10.6084/m9.figshare.31999779.v1 | legacy v1 retained; corrected version pending separate authorization |
| Hugging Face | priyasharma-it/uscis-immigration-processing-times | legacy main identified; corrected commit/tag pending separate authorization |
| openICPSR | 10.3886/E248399V1 | legacy V1 retained; corrected version pending separate authorization |
| Mendeley Data | 10.17632/krzjyk8hfx.1 | legacy v1 retained; corrected version pending separate authorization |
Source: USCIS processing-time snapshots. Semantic contract: uscis-history-state/v1.