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Witeness Overlap: Directional Provenance Inside Open-Weight Model Families

arXiv:2609.31784v1 Announce Type: new Abstract: Open-weight models are often released, fine-tuned, aligned, merged, and re-released, making provenance audits ask not only whether checkpoints are related, but also which checkpoint came first. Many existing model-provenance methods are designed for a…

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  1. 2026-09-29 04:00 · arXiv cs.AI
    Witeness Overlap: Directional Provenance Inside Open-Weight Model Families

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