# Dataset Report

## Overview
- Product: Invoice Extraction Benchmark Kit — US English / Free Sample
- Version: 1.21
- Document count: 12
- Generation seed: 4059022076
- Generated at: 2026-03-11T16:03:48Z

## Coverage Summary
- Layout families: classic_windowed=4, dense_table=4, minimal_modern=4
- Difficulty levels: easy=4, hard=4, medium=4
- Noise classes: clean=8, light_noisy=4

## Release Checks
- Overall verification status: `pass`
- Artifact review: `pass`
- Light noisy render review: `pass`
- Sample evaluator regression check: `pass`
- Advisory visual QA: `pass`

## Notes
- This report summarizes packaged verification checks and sample evaluator behavior for this release.
- `qc/visual_qc_report.json` and `qc/visual_flags.csv` provide advisory visual QA only; they do not change labels or evaluator scoring.
- `BENCHMARK_CARD.md` is the compact customer-facing summary; this report is the more technical package companion.
- `BENCHMARK_PROTOCOL.md` defines the packaged scoring and normalization rules used by the evaluator.
- Sample evaluator accuracy: 0.9904
