Use cases
Where proof becomes useful.
Real situations where an exact record, its integrity, or its timing may matter later.
Proof in real situations.
Examples from files, AI conversations, infrastructure work, legal workflows, inspections and other records that may later be questioned.
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Why Would a Nonprofit Publish Proof Nobody Asked For?
Read use case →: Why Would a Nonprofit Publish Proof Nobody Asked For?What if nonprofits voluntarily made their reports independently verifiable? A simple practice could give donors and the public another way to check important records.
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Legal Records Outlive Software. Their Proof Should Too
Read use case →: Legal Records Outlive Software. Their Proof Should TooLegal-tech platforms already track files and audit histories. Could selected legal records carry independent time evidence that remains verifiable after leaving the original system?
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What If Walmart Didn’t Need to Keep the Return Photos?
Read use case →: What If Walmart Didn’t Need to Keep the Return Photos?Imagine returning a gaming console to Walmart. You bring back the console, controller, power cable and HDMI cable. The associate processes the return. You hand everything over and leave. Nothing…
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Would You Take Four Photos for 90 More Days of Protection?
Read use case →: Would You Take Four Photos for 90 More Days of Protection?What if a retailer rewarded customers for creating a better record at delivery? A ProofStamp thought experiment using appliance delivery.
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They Told Me They Would Refund Me
Read use case →: They Told Me They Would Refund MeThey told me they would refund me. Suppose you’ve already made the call. You explained the charge, waited while someone checked your account, and got an answer: the money would…
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When Neither Side Should Control the Record
Read use case →: When Neither Side Should Control the RecordMost digital records do not need anything special. An email confirmation is usually enough. So is a shared folder, a company database, or a PDF saved by both sides. The…
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How to Keep Verifiable Evidence of an AI Conversation
Read use case →: How to Keep Verifiable Evidence of an AI ConversationAI is becoming part of ordinary professional work. People use ChatGPT, Claude and other AI tools to research questions, analyze documents, investigate problems and prepare advice. Sometimes the conversation itself…
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Your Logs Are Fine. The Process Around Them Is Changing.
Read use case →: Your Logs Are Fine. The Process Around Them Is Changing.Why AI-assisted infrastructure work may need durable, independently verifiable traces An infrastructure professional recently told me: “In infrastructure we don’t really have a task to prove timestamps on pieces of…
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Before You Leave the Job, ProofStamp the Photo
Read use case →: Before You Leave the Job, ProofStamp the PhotoA contractor once described a simple dispute. He removed a concrete slab. The next morning, a neighbour claimed the work had caused a crack in another slab. Fortunately, the contractor…
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How to Prove a Photo or Document Existed Before a Specific Date
Read use case →: How to Prove a Photo or Document Existed Before a Specific DateProofStamp Email Receipt lets you create a SHA-256 fingerprint of a photo or document in your browser and send it to yourself by email without uploading the original file. It…
Not sure where to start?
Choose the ProofStamp method that fits the record you want to preserve.