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hardAnthropicPerplexityGlean

How do you verify that an answer's citations actually support its claims (grounding verification)?

An LLM can cite a source that does not say what the answer claims. The signal is checking claim-by-claim entailment against the cited text, not just that a citation marker exists, and knowing what to do when grounding fails.

Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.

An LLM can cite a source that does not say what the answer claims. The signal is checking claim-by-claim entailment against the cited text, not just that a citation marker exists, and knowing what to do when grounding fails.

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