A scanned agreement arrives carrying four different dates. The PDF says it was created in March. The folder it sits in is named for the previous year. Its modified time is last Tuesday, because somebody opened it to check a clause. The scanner’s own clock said whatever it said, and nobody has looked at that clock in three years.
Every one of those dates was written by equipment the document’s owner controls. That is not a problem about dishonesty. It is a problem about what a copy is. Scanning a document and filing it away produces a copy. It does not produce a record of when.
The fix is structural rather than technical: put the record of when into a system the holder does not control. There are only a handful of candidates, they are all cheap, and this post is about choosing among them. A companion post covers how the dates on a document get changed in detail, and another covers how to timestamp a document step by step.
Be exact about what any of this buys. Every option below proves that a specific sequence of bytes existed by a specific time. None of them proves an act. A date fixed to a signed agreement is inconsistent with the claim that the agreement was created later than it appears to have been, and it says nothing about who signed, whether they meant it, or whether a word of it is true. One method here does attest to an act, and it is the notary.
One question runs underneath all of them, and it is what this post is organized around rather than a ranking: how much of the proof depends on a system the holder controls. Your own filesystem, all of it. Your lawyer’s inbox, some of it. A timestamping authority, almost none of it.
Hand the Question to Someone Else
If a dispute has already begun, stop here and speak to counsel first. Doing any of this after that point is a different act from doing it before. It creates a dated record of the file being handled, and that record belongs to the case as much as it does to you. It is a question for your lawyer rather than a housekeeping task, and that applies to a single document and to a whole cabinet alike.
With that said, here is the question a person with a filing cabinet asks. What about the agreement signed in 2019? Nothing here reaches backward. No method below can establish that an older document is as old as it claims. What it can do is start the clock now: a document timestamped today is inconsistent with a later claim that it was fabricated after today. For a document already in dispute that is worth little. For the other four hundred in a cabinet that is not in dispute, it is worth a great deal, and it is the reason to do it before anyone asks.
Send It to Your Lawyer
Ask your lawyer before you send, and do not send in order to manufacture a record. Sending a document to counsel has consequences in your matter that have nothing to do with dates, and those are their ground rather than this post’s. What follows is what the method gives you, not an instruction to use it.
Transmitting the document creates an independent custodian and a set of records you did not write. Mail servers that handle a message ordinarily add their own note of when they received it and from where, independent of anything the sending device claims [1 ], though what any particular provider records and how long it keeps it is a question for that provider.
A message you send to yourself shows only that your own infrastructure logged a send at that time, and nothing about transmission speaks to whether the attachment was already altered before it was sent.
Send It to Yourself Through DocuSign
A completed envelope carries a cryptographic seal, and the platform’s servers hold the audit trail and the Certificate of Completion [2 ]. The Certificate is the artifact to retain, separately and deliberately, because it is the authoritative account of the signing event and it does not live inside the emailed PDF.
That is where this goes wrong in practice. A reader who saves only the signed PDF has bought less than they think, for reasons covered in what a printed DocuSign document proves and in DocuSign signature misuse .
Ask a Timestamping Authority
This is the option with the fewest dependencies, and it is the one this post will not cover in full, because it earned a post of its own.
The short version: you compute a fingerprint of the document and send the fingerprint, not the document, to an independent authority, which signs a statement that it saw that fingerprint at that moment. The document never leaves your possession, which is what makes the method usable for material you are not free to hand around. It is free and it takes about a minute.
The cost is the one the next section is about, and it belongs in the same breath as the price: nobody can take this record away from you, and nobody will keep it for you either. The whole workflow is in how to timestamp a document .
What About a Notary?
A notary attests to identity and to the fact of signing in their presence. That is a genuinely independent record of an act, which is more than any method above provides. What it does not do is bind to the document’s bytes. A notarized paper original and a scan of that original are two different artifacts with two different kinds of proof attached, and the attestation travels with the first.
There is a second limit, and it is the one people assume away. The record of the notarization is the notary’s journal, and whether a journal exists at all is a question of state law rather than a given. Take Michigan, whose statute is unusually explicit about it. Under the Michigan Law on Notarial Acts at MCL 55.286b(7), the journal duty is conditional: “if a notary public performs notarial acts using a remote electronic notarization platform, the notary public shall maintain a journal that records, at a minimum, each of those notarial acts”, kept as a bound register or in a tamper-evident electronic format, and retained “for at least 10 years after the performance of the last notarial act recorded in it” [3 ]. Separately, guidance the Secretary of State published for notaries in 2019 states that a journal is not required for electronic notarial acts, with a five-year retention only where one is kept anyway. That guidance predates the statute’s current text and this post does not assert that it still describes Michigan practice; it is here because it is what the state hands notaries, not as an authority on what the law now requires [4 ].
Both were retrieved in September 2026. The statute carries its own currency statement, complete through Public Act 91 of 2026; the guidance carries none, and is a 2019 document. Other states differ, and the point is not the Michigan numbers. The point is that a journal is a creature of state law and of the kind of notarization performed, so it is a thing to check rather than a thing to assume.
So before assuming there is a book to ask for, check the rule in the state where the notarization happened, and check it against the kind of notarization it was. Notarization and timestamping answer different questions and are complementary rather than competing, and the combination is cheap: a notarized signing, scanned, hashed and timestamped the same afternoon, costs one extra minute.
How Long Each Custodian Keeps It
This is the part that gets left out, and it is the reason to choose deliberately rather than to pick whichever is nearest. Every custodian above is a dependency, and every dependency has a lifetime.
Your lawyer’s record lives in their mail system. Retrieving it in year seven means asking them, and it means their firm still existing, still holding that mailbox, and still being willing. That is not a criticism of anyone. It is a dependency the arrangement does not advertise.
The platform’s record depends on your account and on the vendor. The audit trail sits on their servers under your login. A lapsed subscription, a closed account or a company that exits the business takes the authoritative record with it, which is exactly why the Certificate of Completion is worth downloading the day it is issued rather than the day you need it.
The notary’s record may not exist at all, and that is the first thing to establish rather than the last. Where a journal is required, the retention is a statutory floor rather than an archive: at least ten years in the Michigan provision quoted above, running from the last act recorded in the book and not from your notarization. A floor is not a promise to keep it any longer, so a document you expect to matter in twenty years should not assume the book will still be there.
The timestamp token’s record is the one you hold yourself, which inverts the problem rather than removing it. Nobody can take it away, and nobody will keep it for you either. That trade is the subject of the companion post.
What Each Method Actually Proves
This table says what each thing buys and what it costs. It does not order them, because ordering them would be a legal conclusion, and that belongs to the court and to counsel.
| Method | What it proves | What it does not prove | Who has to be trusted | How long the record lasts |
|---|---|---|---|---|
| Scan and file | That a file exists now | Nothing about when | You, entirely | As long as you keep it |
| Send to counsel | That a message carrying it was handled at a time | That the attachment was not already altered | Your mail provider and theirs | Their mailbox and their firm |
| Self-sent envelope with the Certificate retained | That an envelope completed at a stated time | Anything about a version outside the envelope | The platform, and your own retention of the Certificate | Your account, unless you download it |
| RFC 3161 timestamp | That this exact file existed by the stated time | Authorship, possession, or truth of contents | The authority, at the moment of signing | As long as you keep the token and its chain |
| Notarization | That a named person signed in the notary’s presence | Anything binding the attestation to a later scan | The notary and their journal | State law, and possibly no journal at all |
Conclusion
The criterion worth carrying out of this post is the one it was organized around: how much of the proof depends on a system you control. Everything you own can be rewritten by you, which is precisely why it proves so little when the question is contested. The second criterion is the one this post added: whoever holds the record for you is holding it for a finite time, and it is worth knowing how long before you need it.
None of this makes an old document older, and none of it makes a true document truer. It only makes the date checkable by someone who was not there, which is the only kind of date that survives an argument.
Lucid Truth Technologies examines documents and the records that surround them, tests what the metadata is claimed to prove, and says plainly where the record runs out. If a matter in your office turns on when a document existed, contact us to discuss it.
References
[1] Internet Engineering Task Force, “Simple Mail Transfer Protocol,” RFC 5321. [Online]. Available: https://www.rfc-editor.org/rfc/rfc5321
[2] DocuSign, Inc., “Certificate of Completion,” DocuSign Support. [Online]. Available: https://support.docusign.com/s/document-item?language=en_US&bundleId=pik1583277475390&topicId=fac1583277357000.html
[3] Michigan Legislature, “Section 55.286b, subsection (7),” Michigan Law on Notarial Acts, Act 238 of 2003, complete through Public Act 91 of 2026. [Online]. Available: https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-55-286b
[4] Michigan Department of State, “Electronic and Remote Notarial Acts,” Michigan Secretary of State. [Online]. Available: https://www.michigan.gov/sos/-/media/Project/Websites/sos/Notary/ENotary_and_Remote_Notary_Guide_2019_eq051319.pdf
Vendor behavior, platform retention terms and the Michigan notarial provisions described in this post were verified in September 2026 and may have changed since.
