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How Telha makes answers defensible

The mental model

Telha is built around five ideas that make a high-stakes answer defensible: you can see what it rests on, when it was known, and whether every claim holds up. You do not need them to ask a question, but they are what let you rely on the answer when a regulator, insurer, auditor, or board asks how you know.

1. Evidence-backed facts

Telha does not just search documents. It turns source material into facts (records in a graph) that stay linked to the exact evidence they came from. Each fact has a label (like RISK, CONTRACT, DECISION), any JSON properties, and links to other facts. When you ask a question, Telha resolves state from the graph rather than scanning text.

Learn more: What Telha remembers

2. Three time questions

Every fact carries three timestamps, so Telha can separate what is true now from what was known then:

Question What it captures
When it was true When the fact held in the real world
When we knew it When Telha learned or recorded it
Date on the evidence The date the source document itself carries

This is what lets you ask "what did we know on 1 May, as far as we knew at the time?" and get a precise answer.

Learn more: Reconstruct what was known at the time

3. Receipts for every claim

Every fact links back to the exact source it came from: the document, the page, the clause, the system record. When Telha answers, it shows those sources as receipts, so you can open the original and check it for yourself.

Learn more: Receipts for every conclusion

4. Claim-level verification

Before Telha gives an answer, it checks each statement against its sources and shows the result: supported, partial, or unsupported. You see exactly which claims the evidence backs and which it does not.

Learn more: Every claim is checked

5. Confidence, ambiguity, and gaps

When evidence is incomplete, conflicting, or stale, Telha shows the uncertainty instead of hiding it. Confidence decays over time, and relevance is weighted by how close the evidence is to your question. That is how Telha decides what to trust and what to surface.

Learn more: Confidence and relevance

The one-sentence version

Search finds text. Telha reconstructs evidence. It keeps what was true across your organisation, preserves every version as things change, and proves every answer against the source it came from.