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Keep the exact population your auditor sampled.

Keep the exact population your auditor sampled. Export the population and its report parameters. Save the row count and per-row digest file if your source system produces them.

Your photos and files stay on your device, so keep them.

EXAMPLE
Seal the sample list
1 Nov 2026
Authority time: 14:02 UTC · example
Bitcoin block time: 14:10 UTC · example
Last checked: 15:02 UTC · example
✓ Dated◆ Permanent
Now keep it safe: three things
  1. Keep your photos and files unedited. The receipt only matches the originals. Put them in an album such as “My records”.
  2. Save this receipt to your camera roll.

    Keep the receipt file too. The image is a handy copy; checking needs the file.

  3. Email it to yourself.Email it to myself

    Your mail app opens a draft. Attach your receipt image and receipt file. Don’t attach your photos or documents. Timevolt does not send it or know whether it was sent.

Your record, one step at a time.

Your photos and files stay on your device, so keep them.

Local preview: files are fingerprinted here. Notes and progress stay in this browser. Keep downloaded copies; browser storage is not a backup.

0 items
How?

Use the exact existing record from your system. A file date does not verify its contents or the action it describes.

Add link and screenshots

The link is recorded, not fetched or verified.

    0 items
    How?

    Record the date, time, place and who you spoke to. New notes are saved separately rather than editing an old note.

    How to keep notes that hold up
    Write it down

    By making a receipt you agree to the Terms and Privacy Policy. The Bitcoin record is permanent.

      By making a receipt you agree to the Terms and Privacy Policy. The Bitcoin record is permanent.

      How to keep notes that hold up

      Write notes as soon as you can. Keep the original account rather than replacing it later; the venue decides what weight it gets.

      1. Write it down straight away, on paper or in the box on a step.
      2. Put the date, time and place at the top, and who you spoke to.
      3. Use their words where you can; separate what you saw from what you were told.
      4. Sign or initial a paper note, photograph it and add the photo.
      5. Never edit an old note. Add a new dated entry when something changes. A device save time is not independent time evidence or proof of event order.
      Seal the sample list

      01 · Keep the exact files

      Export the population and its report parameters. Save the row count and per-row digest file if your source system produces them.

      Use the source system’s own record.

      Seal the sample list

      02 · Date the file’s code

      Your device fingerprints the selected file or manifest. Dated follows an independent timestamp; Permanent follows Bitcoin anchoring.

      An independent time, tied to the exact bytes.

      Seal the sample list

      03 · Keep the evidence

      Keep the exact export alongside the sample selection and the source system’s own row identifiers.

      Keep the originals too. A changed or compressed copy has a different fingerprint.

      Try a file. It stays here.

      Make a test receipt on this device.

      By making a receipt you agree to the Terms and Privacy Policy. The Bitcoin record is permanent.

      or drop a file here

      Related cases

      Related cases from nearby fields. We don’t claim a time receipt would have changed the result.

      What courts, schemes and regulators say.

      Positions below refer to the cited rule or record type, not endorsement of Timevolt. This service is not represented as an eIDAS qualified timestamp provider. A non-qualified timestamp does not receive the qualified timestamp presumption.

      Silent · US

      SEC / PCAOB-audited issuers

      17 CFR 210.2-06 Retention of audit and review records

      Requires auditors to keep workpapers (procedures, evidence, conclusions) for seven years after the audit and to keep records that conflict with conclusions. Says nothing about independent timestamps for client-produced lists.

      Source summary as of 2026-10-28. Check the current source and applicable local rules.

      Read the source
      Silent · US

      Federal criminal law

      18 USC 1519 Destruction, alteration, or falsification of records

      Penalizes knowingly altering or falsifying a record with intent to impede a matter, up to 20 years. It is the stake behind a later-edited population, but it does not mention timestamps.

      Source summary as of 2026-10-28. Check the current source and applicable local rules.

      Read the source

      Proves / Doesn’t prove

      Proves

      A completed time receipt shows that the exact selected file existed by the independently witnessed time. You can check whether a later copy has the same bytes. It does not establish creation time, authorship, identity, event order, location or the truth of the contents.

      Doesn’t prove

      It does not prove the report query was right, that the list was complete or accurate against the source system, who ran it, or that an auditor will accept it.

      The receipt cannot show the population was complete, the query was right, or an auditor accepted the sample.

      These are the bounds of a completed proof. The local tester does not establish any time. The chosen court, scheme or regulator decides what to accept.

      Questions, answered plainly.

      Your file stays on your device. During normal receipt creation, your device sends a randomized code made from its fingerprint, plus encrypted recovery data. It doesn't send the plain fingerprint or the random value that opens the code. Keep the original file and the complete receipt for checking. Privacy Policy.

      Will my auditor accept a Timevolt receipt for the population list?

      We cannot say. A receipt shows the exact file existed by a given time; the auditor still decides what evidence they need and tests completeness and accuracy themselves. Ask them first.

      Does a time receipt prove the list is complete?

      A completed time receipt shows that the exact selected file existed by the independently witnessed time. You can check whether a later copy has the same bytes. It does not establish creation time, authorship, identity, event order, location or the truth of the contents.

      Does Timevolt see my report or employee data?

      Your file stays on your device. During normal receipt creation, your device sends a randomized code made from its fingerprint, plus encrypted recovery data. It doesn't send the plain fingerprint or the random value that opens the code. Keep the original file and the complete receipt for checking.

      What should I seal besides the list itself?

      Seal the query or report settings, the export file, the row count, and the sample draw (seed and selected rows). Each is its own file with its own receipt.

      What if I have to re-run the report?

      Seal the new run as a separate receipt and keep the old one. Two receipts with different fingerprints show that the list changed between runs, which you should explain rather than hide.

      Why not just save the file in a locked folder?

      A locked folder shows your policy, but the date is your own system's clock. A time receipt adds a date from an independent authority.

      How long are audit records kept?

      For auditors of US-listed issuers, seven years after the audit under SEC rule 17 CFR 210.2-06. Your own policy may differ.

      Source summary as of October 30, 2026. Check the current source and its scope.

      Context for this answer

      The file tester runs on your device. It does not issue a timestamp or take a payment.

      Keep the records you already have.

      Keep your original files and any existing official records while the receipt service is being prepared.