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Rubenstein manuscript cards — held-out schema probe

30 manuscript-catalogue card images from the Duke Rubenstein collection (biglam/rubenstein-manuscript-catalog), used as a held-out generalization probe: a collection and schema the index-card-extractor-4b model was never trained on. Tests whether the model still emits valid, schema-conforming JSON for an unseen schema (it does — better than the base model).

No ground truth — this measures schema-following (valid-JSON rate, key-conformance, field coverage), not field accuracy. A candidate Rubenstein extraction schema ships with the project code.

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image_id · image.

Provenance & license

Images from biglam/rubenstein-manuscript-catalog (CC0). Released CC0-1.0.

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Models trained or fine-tuned on davanstrien/rubenstein-probe-input