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1c28b5d 758b6cf 41891eb 758b6cf 1655e18 758b6cf 41891eb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | # GRIP Nested Hexagons Dataset 3000 — v8
Version `nested-hexagons-8.0.0` contains 3,000 images and 15,000 questions. V8 occupies the unsuffixed release paths; superseded local builds were removed to keep the repository clean.
## Phase 8 changes
Level 5 now uses the shared 12% outermost-side threshold and rescaled 9.6%–14.4% exclusion band. This threshold follows the v7 empirical review plus the shared worst-case visibility calibration. The v8 result is exactly 1,500 `yes` / 1,500 `no`, with shape-count correlation `0.000000` and an achievable extrapolated-fraction range of 9.30%–16.99%.
The unchanged 15 px inner-size and 3 px clear-background guards remain active. Matched nuisance-rank clearance sampling reduces minimum-clearance Cramér's V to `0.002981`. The definitional whitelist now contains exactly `factor_progression_direction` and `reduction_factor_span`; every other audited scene parameter remains below V=0.10.
All 3,000 PNG outline counts were independently recovered. Every guard injection test passes, Level 4 retains its `0.268293` theoretical baseline and `0.269020` observed capture, and validation reports **PASS — 0 mismatches**. Full distributions and both minimum-clearance rejections are recorded in `validation_report.txt`.
### Supplementary open-ended questions
Version `nested-hexagons-11.0.0` replaces the supplementary free-response set with the exact domain template in `OPEN_QUESTION_SPEC.md`. It includes `3000` eligible items and excludes `0` under `{}`. Every prompt uses visible evidence, asks for justification, and ends with a confidence score from 0 to 1.
- `open_questions.csv` is public and contains exactly `question_id,image,prompt`.
- `open_answer_key.csv` is answer-key-side and contains separate partial-credit fields, an exhaustive `acceptance_set`, deterministic `targets`, and machine-readable `tolerances` for every numeric field.
- `open_annotations.jsonl` is answer-key-side and adds the complete derivation and scoring declaration.
- `open_validation_metrics.json` contains full target and answer distributions, constant-answer baselines, prompt/schema checks, independent metadata derivation results, and exhaustive PNG recovery results.
Scored fields at or above 60% after template revision: `{}`. Targeted fields: `shape_count, shrink_pattern, rotation_degrees_nearest_10`. Do not provide `open_answer_key.csv`, `open_annotations.jsonl`, or the closed-set `annotations.jsonl` to a model under evaluation because they expose answer-side scene metadata.
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