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How?
Write what you remember in your own words. The saved time uses your device’s clock.
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.
Legal
Keep the exact version of a note made near an event, with later corrections separate.
Keep the exact version of a note made near an event, with later corrections separate. Keep your original source records together, then date the exact files. It does not prove origin, identity, location, truth, sending, acceptance, compliance or the outcome of a dispute.
Your photos and files stay on your device, so keep them.
EXAMPLE
Notes made at the time
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?
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.
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.
Notes made at the time
Notes made at the time
01 · Keep the exact files
Keep the original files for notes made at the time. Include any existing photos, signed records and source-system exports.
Records to keep: Notes · Photos or recordings (optional)
Notes made at the time
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.
Notes made at the time
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 federal District of Columbia · 2023
Keep original notes when scan dates are disputed
A former worker said scans of meeting notes had false old dates, but the notebook could not be found. The judge found too little proof of intentional edits and refused five requests about evidence. The main job claim was left open.
Summarized on Oct 29, 2026
Read the source ›US federal District of Columbia Circuit · 1995
Different memo copies can still leave facts open
Workers said a TV firm had removed their names from a meeting note. The appeal court set aside two wins granted over claimed misuse of evidence and sent the cases back. Whether the firm changed a note about one worker still needed review.
Summarized on Oct 29, 2026
Read the source ›Related cases
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.
Civil courts
Civil Evidence Act 1995 section 4
Section 4 lists reliability factors for hearsay evidence in civil proceedings, including contemporaneity, motive and editing. A private date does not settle weight or establish that a note is admissible.
Source summary as of 2026-10-29. Check the current source and applicable local rules.
Read the sourceHMRC casework
ECSH33025 meeting notes
Scoped staff guidance calls for notes in real time or soon after, recording context, questions and observations; not a general court admission rule.
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 origin, identity, location, truth, sending, acceptance, compliance or the outcome of a dispute.
It does not prove origin, identity, location, truth, sending, acceptance, compliance or the outcome of a dispute.
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.
What does contemporaneous mean here?
HMRC's guidance describes notes made in real time or as soon as possible afterwards.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerShould notes separate observations and opinions?
HMRC asks its staff to record facts and observations rather than opinions.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerDoes a prompt note automatically win?
No. Section 4 concerns the weight of hearsay in civil proceedings and lists reliability factors; it does not award a win for a prompt note.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerDoes losing an original prove alteration?
No. In the cited 2023 order the missing notebook did not establish deliberate alteration.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerWhy preserve different versions?
The meeting-memo appeal shows that differences between copies may need explanation.
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.