How do I verify AI legal research before filing?

Verify by independently confirming every cited authority exists, says what the brief claims, and remains good law — using authoritative sources rather than trusting the AI's summary — and by documenting that the check occurred. The duty of candor makes this…

register 09 · Compliance pins· AI Citation Sanctions
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Answer.

Evidence / professional-responsibility rule · AI Citation Sanctions.

Verify by independently confirming every cited authority exists, says what the brief claims, and remains good law — using authoritative sources rather than trusting the AI's summary — and by documenting that the check occurred. The duty of candor makes this non-delegable. Planisphere measures how a research tool behaves and whether it drifts, which informs how much to trust it, but it does not perform citation-checking; the verification and the legal judgment are the lawyer's.

Cite-anchor: AI hallucinated-citation sanctions — Rule 11 / Rule 9011 certification and MR 3.3 candor · Fed. R. Civ. P. 11; Fed. R. Bankr. P. 9011; ABA Model Rule 3.3; exemplar Johnson v. Dunn (N.D. Ala. 2025)

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The mark behind the answer.

AI Citation Sanctions sets the bar an AI output must clear before a tribunal or a client relies on it — reliability, can…

hallucinated-authority sanctions wave · Rule 11 / 9011 · candor-to-tribunal.

→ Full reference for AI Citation Sanctions

Prepare evidence for AI Citation Sanctions review.

First evidence record within 21 days of access · re-runs in a single business day. Planisphere measures model behaviour and emits a reproducible, sha-pinned record — it does not certify, file, or give legal advice.