# Literal Quote Evidence Check

Build-time release reference. Runtime readiness, deployment, payment settlement and external indexing are not evaluated here. Prices are proposed; this file cannot authorize execution or payment.

Check exact quotations against supplied source text, including optional UTF-16 start offsets. Returns source SHA-256 fingerprints, occurrence counts, bounded offsets and ambiguity/mismatch findings. Unique scans are capped at 4 million characters and 200,000 located occurrences. Establishes literal correspondence only, never truth, entailment, authenticity or source credibility.

Release: 0.29.0. Built: 2026-10-06T15:38:00Z.

## Choose for
- Verify agent-generated quotations against supplied source passages
- Locate exact quote offsets and detect ambiguous repeated evidence

## Outside this profile
- Fact checking, semantic support, paraphrase matching or source authenticity
- Fetching cited URLs or verifying unseen documents

Proposed nominal USD 0.01 per successful call; payer fees excluded. No verified runtime availability.

- [Exact release contract](/reference/services/evidence-quote-check.json)
- [Input schema](/reference/schemas/evidence-quote-check.input.json)
- [Output schema](/reference/schemas/evidence-quote-check.output.json)
- [Fixed example](/reference/examples/evidence-quote-check.json)
- [Complete HTML reference](/discover/tools/evidence-quote-check)