Check the proof yourself.

A real log you can recheck yourself, right here in your browser. Nothing is sent anywhere.

In plain words

Provenize writes a line into a log for everything it does. Each line is attached to the one before it, like links in a chain.

Change one line afterwards and the chain no longer adds up — you see it immediately. Below you can try that yourself: tamper with a line and watch what happens.

Try it yourself

Change a line, then run the check.

  1. 1
    Actionengagement opened
    prevhash
  2. 2
    Actiondocument ingested
    prevhash
  3. 3
    Actionanswer cited
    prevhash
  4. 4
    Actionsubject erased
    prevhash
  5. 5
    Actionexport signed
    prevhash

Chain not yet verified.

Everything is calculated in your own browser. No line leaves this page.

Removing personal details

Mask a sentence before it reaches a model.

What the model sees

Names are matched heuristically. Best-effort by design — we publish the known gaps rather than claim perfection.

Evidence you can download

The shape of what you get back.

Signed exportone bundle per person, digitally signed
Erasure receiptproof the key is gone
Audit eventone link in the chain

Example structure. The signature shown is illustrative, not a live signature.

  • A log where each line is attached to the lastBuiltlines can only be added; tampering shows
  • Recheck it yourself (verify())Builtshows whether anything was edited, inserted or deleted
  • Removing personal detailsBuiltbefore anything goes to an external model
  • Signed evidence filesBuiltexports and erasure receipts