TEPA: Revoking Stale Memories for Conflict-Robust Language Agents
Quick summary
arXiv:2608.07429v1 Announce Type: new Abstract: Long-term memory enables language agents to reuse past facts, preferences, and task experience. Persistence also creates a central falsifiability problem: when the world changes, stale memories can remain retrievable and pollute the prompt. We characterize this failure mode as memory pollution: degradation caused by active memories that newer conflicting evidence has superseded. We introduce TEPA, a revocable evidence-memory mechanism that makes validity an explicit state of memory. TEPA represents observations as keyed precedents and revokes act
Key takeaways
- arXiv:2608.07429v1 Announce Type: new Abstract: Long-term memory enables language agents to reuse past facts, preferences, and task experience.
- Persistence also creates a central falsifiability problem: when the world changes, stale memories can remain retrievable and pollute the prompt.
- We characterize this failure mode as memory pollution: degradation caused by active memories that newer conflicting evidence has superseded.
Why it matters
“TEPA: Revoking Stale Memories for Conflict-Robust Language Agents” illustrates how changes in the AI ecosystem can affect products, workflows and user expectations together. Its lasting significance depends on measurable adoption, cost and safety outcomes.

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