# PIMT v8 odour taxonomy coverage census

| Bucket | Count |
|:--|--:|
| Materials with authoritative character label (excluding Z) | 89 |
| Materials with substantivity (measured Poucher, model-ready, in universe) | 170 |
| Materials with both axes (excluding Z) | 20 |
| Materials with neither axis (excluding Z) | 502 |
| Class Z carriers, character-excluded | 5 |

## Per-class character counts

| Code | Count |
|:--:|--:|
| A | 6 |
| B | 8 |
| C | 5 |
| D | 2 |
| E | 2 |
| F | 10 |
| G | 17 |
| H | 12 |
| I | 3 |
| J | 2 |
| K | 2 |
| L | 3 |
| M | 3 |
| N | 0 |
| O | 0 |
| P | 4 |
| Q | 7 |
| R | 7 |
| S | 5 |
| T | 0 |
| U | 3 |
| V | 3 |
| W | 17 |
| X | 7 |
| Y | 1 |
| Z | 0 |

Non-Z classes >=5 labels: 11/25
Non-Z classes >=10 labels: 4/25
Both-axis material overlap: 20

## Discrimination pre-check

Mean pairwise Jaccard: 0.7177742763772176

STOP: no empirical_dataset_v10.jsonl assembled; no training started; no HF upload.