SOURCE-LINKED INTELLIGENCE

Correct Now, Insufficient Later: Auditing Update Sufficiency in Context Compression

arXiv · Artificial Intelligence · article · Sep 17, 2026 · UTC

A memory can answer a current query correctly while discarding distinctions required by a later update. We investigate this failure with a paired-history audit: two histories have the same current answer, receive a shared future update, and require different subsequent answers. A pilot evaluates 24 history pairs across six synthetic mechanisms, 12 memory conditions, two repeats, and two model backends. A deterministic frontier selector obtains strict reveal accuracy of 96/96 on DeepSeek and 82/96 on GLM; a structured writer obtains 62 successes with one unresolved outcome and 56/96. The config

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Evidence & attribution

arXiv · AI, language, vision and robotics · 2026-09-17T10:51:37.000Z
arXiv · Artificial Intelligence · 2026-09-17T10:51:37.000Z

First collected: 2026-09-19T20:26:32.566Z. This is not the publication date.