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arXiv — cs.AI preprintsInternational12 October 2026

FACT: Fidelity-Aware Construction of Articulated Twins

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arXiv:2609.37067v2 Announce Type: replace-cross Abstract: Visually plausible articulated assets may still fail during contact interactions or exhibit inaccurate motion. We present FACT (Fidelity-Aware Construction of Articulated Twins), an agentic framework that progressively constructs articulated twins to improve geometry, contact, and dynamic fidelity. The agent drives an evidence--diagnosis--revision loop on a shared editable representation, selecting measurements and model edits using quantitative feedback, while numerical tools execute and validate the updates. It reconstructs editable a
— arXiv — cs.AI preprints

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