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AI adoption (all industries)

Hand the work to AI. Still be able to show what it did.

Attach proof to the reasons behind an AI's decision and to what it actually executed, and both can be shown to an auditor or a third party as genuine records. The work of explaining afterwards drops sharply.

Audit pack — checking an AI execution log
Not tampered with
DOC HASH0x68d4…9f01
IssuerIn-house AI platform
Recorded2026-07-28 09:12
SubjectExecution log & grounds
Proof classProvenance
Signature matches Tamper check Issuer confirmed
The proof layer
is running now
Verification Center live 3 proof-backed data feeds Verification is free
See it for yourself →
01 — Why LemmaThe more work AI takes on, the more you are asked to account for it.

Every quarter more work runs through AI — and more often, someone asks why a particular decision came out the way it did. What gets tested is less the substance of the decision than whether the record of it is genuine. Narrowing permissions is not enough on its own, because the routes that deceive an agent run inside its legitimate authority. What is missing is a layer that establishes whose request this is before anything executes.

What gets tested isn't how smart the AI is.
It's where the record came from.

02 — What changesThree things Lemma changes
What the AI did, and why, holds up as evidence

What the AI decided, and what it based that on, both carry a proof — so you can still show afterwards that they are genuine.

Execution log
RecordExpense approval #8214
IssuerIn-house AI platform
Query to issuerNot needed
VerdictNot tampered with
Records going to the auditor
Execution logs (2026-06)1,204Proof attached
Records of why a decision was made812Proof attached
Permission-change history36Proof attached
Model switch records4Proof attached
Audit packs that need no explaining

Every record you submit carries proof that it has not changed since issuance, so it can go to the auditor as-is.

Set what an agent may do, without code

The scope of what an agent may do is configured from the admin screen. Outside that scope, nothing runs.

POST /v1/documents
// Attach a proof to the log — contents are never sent { "integrityHash": "sha256:…", "issuerId": "ai-platform" } // What comes back { "docHash": "0x68d4…9f01" }
03 — Threat casesWhat happened when nothing was verified.

Three cases from this area, drawn from the Lemma Critical Briefs. In each one an AI acted on something nobody had independently verified.

See every Brief in this area →

04 — How it worksThree steps, and that's it.
Issuing the proof
RecordExecution log & grounds
IssuerIn-house AI platform
What is sentHash only
Issued 0x68d4…9f01
01Attach a proof
Why it holdsChange one character in the log and it no longer matches the proof.
One API call as the log is written. The contents never leave your side.
The record you submit
Execution log
Proof attached — verify here
02Hand it over
Why it holdsThe proof itself is about 200 bytes. How you deliver it is up to you.
The record carries a verification link. Nothing about how you assemble an audit pack has to change.
The auditor's screen
Not tampered with
SignatureTamper checkIssuer
03They check it
Why it holdsThe receiving side settles it alone, without contacting you.
Open the link and the verdict appears. No account, no key.
05 — Use casesHow it is used in this industry
06 — Latest newsAdoption, and what is moving in this area

See all blog posts →

AI Governance

The work you handed to AI —
how do you account for it?

We work through with you what needs to be on the record, and identify where proof should be attached. It starts with a 30-minute call.