Blog
Notes from the practice
Field notes on Excel forensics, workbook provenance, and the structural layer hiding beneath the visible grid.
July 2026
The Next Satisfying Spreadsheet You Receive May Be the One You Should Trust Least
AI can now generate a loan tape in seconds — real-looking VINs, plausible balances, clean delinquency buckets, no typos. A 4-question diagnostic for lenders, auditors, and fraud examiners who rely on borrowing-base files.
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What Your Excel File Knows About You
A few years ago, one of us invested in a private merchant lending operation. The loan tape looked clean. The numbers tied out. Months later, we discovered the entire file had been generated by AI.
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