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Private · local · evidence-governed

Ask Weryta for proof.
Not just an answer.

For teams that can't accept a plausible but uncited answer. Every answer comes with its source, its time bounds, and its proof — or Weryta says it doesn't know. Runs on your hardware; your documents stay yours.

See if it fits your documents See a real answer

What an answer looks like

The answer is the evidence.

A question about a procedure at a point in time. Weryta returns a verdict, the exact document section, the interval it was valid for, its status, and tamper-evident identifiers — or an honest Unknown. (Example uses illustrative data.)

$ weryta ask procedures Procedure-X is approved --at week-30
Entailed

Procedure-X was approved.

  • Quality-Register §4.2 — "Procedure X approved, rev A"
    Procedure-X is approved[wk 5, wk 42)Verified
    Fact ID 104 · Evidence ID sha256:…

Direct evidence · proof bundle sha256:…

$ weryta ask procedures Procedure-X is approved --at week-45
Contradicted

No — the record shows the opposite at week 45.

  • Quality-Register §4.2 — "Procedure X withdrawn, superseded"
    Procedure-X is-not approved[wk 42, ∞)Verified
    Fact ID 105 · Evidence ID sha256:…

Evidence of falsehood — not absence of evidence.


Four answers, never a bluff

It knows the difference between wrong, and don't-know.

Entailed

The record directly supports it — with the source and the dates it held.

Contradicted

The record directly says the opposite — a withdrawal, a supersession.

Unknown

No basis in the documents you gave it. It refuses to invent one.

Derived

An inference — shown with its rule and every parent fact, never as a stored fact.


Read both columns

Honest about what it is.

What it does

  • Answers from verified, source-backed facts
  • Knows when a fact was true (validity intervals, supersession)
  • Exports a proof pack you can verify offline and hand to an auditor
  • Says Unknown instead of guessing
  • Runs locally — data never leaves your machine

What it is not

  • Not a chatbot and not "an AGI"
  • Not automatic PDF understanding — facts are reviewed by a person
  • Not a source of autonomous decisions
  • Not legal or compliance advice
  • Hashes prove the export wasn't edited — not who issued the document

Who it's for

When a plausible answer isn't good enough.

Teams that live in technical procedures and version changes, administrative decisions, registers and deadlines, quality documentation, incident reports, maintenance procedures, or internal audits — where the real question is not "what's the answer" but "show me the document, the section, and the version that was in force that day."

Does this happen on your team?

When did someone last answer a question about a procedure, decision, or condition — but couldn't show the document, the section, and the version in force on that day?

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