ResearchResearch paperEfficiency & Inference · Large Language Models · Agents & Tool Use1 source · Oct 13, 2026

Auditing Future-Memory Use in Point-in-Time Language Agents

Point-in-time (PIT) agents can recall post-cutoff facts even when their external evidence respects a historical cutoff.

Key points

  • We examine whether this access predicts evidence gathering in 48 historical company-comparison tasks.
  • Independent closed-book revenue probes identify the better-remembered company for each model on tasks with unequal recall, fixing the predicted direction before agent runs.
  • We then compare paired runs with real or anonymized company identities while keeping external evidence PIT-valid.
  • The mechanism behind the natural inverse pattern remains unresolved.

Sources (1)

  • [1]Auditing Future-Memory Use in Point-in-Time Language Agents
    arXiv (AI, ML, NLP, CV, robotics, multi-agent) · Oct 13, 03:56 PM
    Point-in-time (PIT) agents can recall post-cutoff facts even when their external evidence respects a historical cutoff.
    We examine whether this access predicts evidence gathering in 48 historical company-comparison tasks.

Extractive summary: sentences quoted from the sources.

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