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Prove

A receipt for every single decision

Each decision comes with a signed receipt and an evidence pack: who, what, when, and why.

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app.xevrion.co.uk / decided / r_01HX9Example data

Signed receipt

Refund £540
Who
Priya N., Sam O.
What
refund.issue · order 88231
When
10:43 and 10:44 UTC
Why
Over £500, two reviewers
Signature
Valid

Evidence pack

  • Receiptreceipt.json2 KB
  • Policy at the timerefunds v121 KB
  • Reviewer answers2 signed3 KB
  • Log inclusion proofleaf 48,2111 KB

Hashes over plain text

action_hash  9c1e…a402policy_hash  41bd…77e0receipt_hash e3f8…10cd

Why it matters

What signed receipts changes

  • Each decision comes with a signed receipt.
  • The evidence pack says who, what, when and why.
  • Change any field and the signature breaks.
  • Evidence is pulled together by hand when someone asks.
  • Who approved what is spread across several tools.
  • Nothing ties an answer to the exact request.

The resultEvidence made as the decision happens.

What you get

Signed receipts, in practice

  • Signed

    A receipt cannot be changed without breaking its signature.

  • Evidence pack per request

    The data, the rule, the reviewer and the result in one bundle.

  • Hashes over the plain text

    Hashes are taken over readable data, so proofs still verify when stored data is encrypted.

How it works

Step by step

  1. 1

    Decision made

    Approve, reject or edit.

  2. 2

    Receipt built

    Who, what, when, rule and result.

  3. 3

    Signed

    With the platform key.

  4. 4

    Handed back

    In the API response and in the pack.

Questions

About signed receipts

Can I export receipts?

Yes, through the API, or streamed to your own log system.

Do receipts include private data?

They hold what you chose to send. Retention rules can redact it later without breaking the proof.

Next

Works well with

Know what your agents did.

Start free. Guard your first agent in a few minutes, and keep a record anyone can check.

Get started freeSee pricing →
  • Free plan, no card
  • Signed, chained decisions
  • Checked offline, without us