The hardest part of parsing bank statements isn't the parsing

<p>Every few weeks someone posts a victory-lap screenshot - "uploaded my bank statement to ChatGPT, got a clean spreadsheet back in 30 seconds." The spreadsheet looks pristine.

<p><em>Written with AI assistance. I edited it. The formulas below were checked in LibreOffice Calc on sample rows (not in Excel or Google Sheets).</em></p> <p>You paste a

<p>If you've built any pipeline that ingests PDFs, you already know the demo is misleading.</p> <p>You test on ten clean, well-formatted invoices. Extraction works perfectly. You

<p>A finance officer at a mid sized bank was closing out the month when the numbers refused to line up. Customer accounts held a few cents more, in total, than the bank's own

<p>PDF generation sounds boring until you're deep in archival standards, cryptographic signing, and cross-language memory bridges at 3am. Building <a