ProofState
See where things stand across your invoices and travel.
Your inbox keeps every email — but never tells you where things actually stand. Did I pay this, or is this a reminder for one I settled? Is this the latest invoice, or was it replaced last week? Is my flight still booked after three change emails?
ProofState reads the email for you and shows the current state of each situation — what's done, what's open, what changed, what conflicts — with the original email behind every claim, one click away. It doesn't summarize your inbox; it reconciles the evidence across messages over time and tells you the current truth.
Built for people who run work and life out of their inbox. It opens in stages — invoicing and travel first. Joining the private alpha now.
Features
- Shows the current state of each situation, not a list of emails
- Reconciles many emails to know which invoice/quote is current vs. replaced
- Every fact links back to the original email (provenance, one click away)
- Tells you what's done / open / changed / conflicting
- Full invoice tracking: Rechnungen, Mahnungen, Gutschriften, Storno, partial payments, what's still owed
Use Cases
- "Did I already pay this, or is this a reminder?"
- "Which invoice is current after three revisions?"
- "How much is still owed?"
- "Is my flight still booked after all these change emails?"
- "Did my refund actually come through?"
- A freelancer juggling many clients' invoices and reminders
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