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Timevolt / Agreed contract version
Legal

Keep the final existing contract file and the earlier drafts it replaced.

Keep the final existing contract file and the earlier drafts it replaced. Keep your original source records together, then date the exact files. It does not prove identity, origin, truth, physical state, presence, consent, authority, sending, delivery, acceptance or outcome.

Try a file locally

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

EXAMPLE
Agreed contract version
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?

Add the exact original files for this part of the record. Keep them unchanged; a different export or edit has a different fingerprint.

Add link and screenshots

The link is recorded, not fetched or verified.

    0 items
    How?

    Add the exact original files for this part of the record. Keep them unchanged; a different export or edit has a different fingerprint.

    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.
        Agreed contract version
        Agreed contract version

        01 · Keep the exact files

        Keep the original files for agreed contract version. Include any existing photos, signed records and source-system exports.

        Records to keep: Final version · Earlier draft

        Agreed contract version

        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.

        Agreed contract version

        03 · Keep the evidence

        Keep the original files and complete receipt separately, alongside any existing venue, signature and workflow records.

        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

        Real cases: why the saved copy matters.

        Real cases where dated records mattered. We don’t claim a time receipt would have changed the result.

        US Second Circuit, California contract-law analysis · 2002

        Hidden download terms may not show agreement

        Software terms sat below a download button, and a separate browser license did not cover that download. The appeal court refused to force a private dispute process. It left the main privacy claims open.

        Summarized on Oct 29, 2026

        Read the source ›
        US Ninth Circuit, California contract context · 2007

        New online terms need evidence of notice

        A firm added terms online without telling a person who was already a customer. The appeal court removed an order forcing a private dispute process. It left the main claims open.

        Summarized on Oct 29, 2026

        Read the source ›
        US Ninth Circuit, California contract context · 2020

        A later visit did not activate newer terms

        A customer argued for newer terms after visiting a website again. No notice or chance to read the new terms was shown. The appeal court applied the older terms and kept the order for a private dispute process.

        Summarized on Oct 29, 2026

        Read the source ›

        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.

        Needs something else · Washington State, within electronic-transactions statute scope

        Washington Legislature

        RCW1.80.110

        Retention requires an accurate record accessible for later reference; agency additional requirements remain possible. A hash/receipt without original accessible contents does not establish retention.

        Source summary as of 2026-10-29. Check the current source and applicable local rules.

        Read the source
        Unclear · Washington State, within electronic-transactions statute scope

        Washington Legislature

        RCW1.80.060

        Electronic form alone cannot defeat legal effect. This does not establish signature attribution, assent, finality or acceptance of this timestamp service.

        Source summary as of 2026-10-29. Check the current source and applicable local rules.

        Read the source

        Other ways to do this

        Prices change. Check each provider’s site for current prices and service details.

        • Concord

          Provides redlining, version control, amendments and signatures.

          Visit site

        • Juro

          Provides End-to-end agreement and contract management.

          Visit site

        • Contractbook

          Provides contract repository, latest-version access and signing workflow.

          Visit site

        Related workflows.

        Notice sent recordNotes made at the timeEvidence hand-offIdea or deck before an NDA meetingNotarized document copyPower of attorney copy

        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 identity, origin, truth, physical state, presence, consent, authority, sending, delivery, acceptance or outcome.

        It does not prove identity, origin, truth, physical state, presence, consent, authority, sending, delivery, acceptance or outcome.

        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.

        Does the latest dated file automatically govern?

        No. The opened2020appeal applied earlier terms because the newer version was not shown to have been accepted.

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

        Context for this answer
        Does preserving a revision prove the other side saw it?

        No. The2007appeal distinguished posting changed terms from giving notice.

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

        Context for this answer
        Can a receipt replace the actual contract file?

        Washington's retention rule describes an accurate, accessible record; a receipt alone does not supply its contents.

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

        Context for this answer
        Is electronic form automatically invalid?

        Within Washington's statute, electronic form alone cannot be the reason for denying effect; other requirements remain separate.

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

        Context for this answer
        Why keep the interface and messages too?

        The2002appeal considered how terms were presented and which agreement applied, beyond merely possessing text.

        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.