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.
Business
Keep the exact existing quote or estimate before later changes.
Keep the exact existing quote or estimate before later changes. 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.
Your photos and files stay on your device, so keep them.
EXAMPLE
Quote or estimate given
1 Nov 2026
Authority time: 14:02 UTC · example
Bitcoin block time: 14:10 UTC · example
Last checked: 15:02 UTC · example
Bitcoin block time: 14:10 UTC · example
Last checked: 15:02 UTC · example
✓ Dated◆ Permanent
Now keep it safe: three things
- Keep your photos and files unedited. The receipt only matches the originals. Put them in an album such as “My records”.
- Save this receipt to your camera roll.
Keep the receipt file too. The image is a handy copy; checking needs the file.
- 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?
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 upWrite 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.
- Write it down straight away, on paper or in the box on a step.
- Put the date, time and place at the top, and who you spoke to.
- Use their words where you can; separate what you saw from what you were told.
- Sign or initial a paper note, photograph it and add the photo.
- 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.
Quote or estimate given
Quote or estimate given
01 · Keep the exact files
Keep the original files for quote or estimate given. Include any existing photos, signed records and source-system exports.
Records to keep: Quote
Quote or estimate given
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.
Quote or estimate given
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 Florida · 2026
A missing estimate did not erase authorized work
A repair shop lacked a written estimate, but testimony backed the agreed price and approval for useful repairs. The appeal court kept the shop's win. It did not waive the written-estimate duty.
Summarized on Oct 29, 2026
Read the source ›US New York · 2026
Reassuring texts may not approve extra repair costs
A shop treated reassuring texts as broad permission, but they did not clearly approve higher repair costs. The court rejected both sides' claims. Neither side won the payment requested.
Summarized on Oct 29, 2026
Read the source ›US Ohio · 2012
Later invoices do not replace earlier required notices
An owner disputed extra costs and missing notice about rights to an estimate. The court kept the builder's win for doing most work but required payments for breaking consumer rules. It sent extra charges back for review.
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.
MBIE Consumer Protection
Quotes and estimates guidance
Encourages detailed written records of scope, costs and duration; agreed changes and actual acceptance matter. Guidance does not recognize a timestamp as contract acceptance.
Source summary as of 2026-10-29. Check the current source and applicable local rules.
Read the sourceNorthern Territory consumer guidance
Quotes and estimates
Distinguishes an accepted fixed-price quote from an estimate and identifies written scope, costs and validity. A file date alone establishes neither agreement nor authorization.
Source summary as of 2026-10-29. Check the current source and applicable local rules.
Read the sourceOther ways to do this
Prices change. Check each provider’s site for current prices and service details.
Related workflows.
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.
Are quotes and estimates the same?
The opened New Zealand guidance describes an estimate as approximate and a quote as an offer for a specified price, with agreed scope changes relevant.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerDoes a time receipt prove the customer said yes?
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.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerShould later scope changes have separate copies?
The New Zealand guidance distinguishes the original quoted scope from agreed changes; keep the existing correspondence and versions together.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerDoes a missing estimate always cancel the bill?
No. The Florida appeal upheld payment on its findings of authorized, proper and beneficial work. Other jurisdictions and facts differ.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerWhat details help identify the saved quote?
Northern Territory guidance lists scope, labour, parts and how long the quote remains valid.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerThe 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.