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How?
Use the worksheet alongside the original records; use an official form where required.
Fill in
By making a receipt you agree to the Terms and Privacy Policy. The Bitcoin record is permanent.
construction progress photos
Have the day’s site record ready for the discussion.
Construction progress photos — Have the day’s site record ready for the discussion. Keep each visit’s photos with the daily notes. Download a free daily-report worksheet and date each export.
Your photos and files stay on your device, so keep them.
Your free construction daily report.
Keep the original source records alongside this supplementary worksheet.
- Date / visit
- Daily notes
- Photo references
Check your regulator's own form. The printable version lists the source behind every field. CSV versions have an instruction row above the headings.
Then date your filled-in copy.
Keep the completed copy and its source records. A time receipt dates those exact bytes; it does not establish that an entry is true or accepted. Save a new copy daily.
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.
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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.
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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.
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.
Site progress photos
Site progress photos
01 · Keep the exact files
Keep the day’s photos, daily log and report in a labeled batch. Record what the batch contains.
Records to keep: Photos · Daily notes
Site progress photos
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.
Site progress photos
03 · Keep the evidence
Keep exact originals and repeat for later visits. Follow contract notices separately and keep any countersigned daily logs.
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 Texas · 2015
Pay requests may need current progress photos
A builder's contract called for monthly reports with current photos when it sought pay. One side quoted that term in an appeal filing. The filing did not show who won or whether that term was met.
An appeal brief, not a court ruling; the outcome was not determined from this filing.
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.
Builder's risk insurers
Guidance says daily reports, site inspection and progress photos, payment applications and schedule iterations are often needed to show where the project stood at the time of the loss; requirements come from each policy and carrier request.
Consultant and law-firm guidance, not policy text. Dated, intact pre-loss records are wanted; no mention of cryptographic timestamps.
Source summary as of 2026-10-28. Check the current source and applicable local rules.
Read the sourceDelay analysis practice (HKA paper)
Photos are ideal records if date-stamped and regular; recommends progress records be agreed and signed between the parties.
Practitioner paper, not a binding rule; supports dated, regular photos and suggests counter-signing.
Source summary as of 2026-10-28. 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 who took the photos, where or when they were actually taken (only that the file existed by the receipt date), that the scene shows what you say, or that a court, insurer or client will accept it.
The date concerns the file’s existence, not when the photo was taken. It does not establish work quality or satisfy contract notices.
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 a time receipt for my site photos prove?
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 it prove I took the photos or where they were taken?
No. It does not prove who made them, where they were taken, or that they show what you say. Pair it with notes, normal site records and, if possible, a signature from the other side.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerMy site app already stamps the date on photos. Why add this?
App and phone stamps are records held by the app or the file itself, which can be edited or sit in someone else's system. A time receipt is dated by an independent timestamp authority and then anchored in Bitcoin, so it does not depend on your app or us.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerAre my photos uploaded?
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.
Will a court or insurer accept it?
We can't promise that. Courts and insurers decide what evidence they accept, and guidance mostly asks for regular, dated, original records. A time receipt is one piece of that, not a verdict.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerWhy do it every day?
Disputes often turn on records made at the time, not reconstructions afterwards. Keep each day’s source export and complete receipt. Each receipt dates its own committed file; independent receipts do not automatically establish a linked sequence or reveal missing entries.
Source summary as of October 30, 2026. Check the current source and its scope.
Context for this answerWhat do I need to keep so the receipt still works?
Keep the complete downloaded receipts and the exact original, unedited files. Re-saved, resized or edited copies have a different fingerprint and will not match the receipt.
What does it cost?
See the Pricing page for current US-dollar plans and allowances. Fast is paused. Purchases open when receipts open.
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.