Every number carries a receipt.
We call it the nota, after the paper slips that already govern Indonesian business. Tap any figure and a slip unfolds beneath it: which system, which record, which calculation, and when it was taken. Not "according to your data." A record ID and a timestamp.
Sourced AI answers are not a new idea and we won't pretend we invented them. Enterprise search tools and analytics assistants have shipped citations for years. What's uncommon is the packaging: a receipt on every figure, in Bahasa, inside a chat, for an owner who is not a data analyst, over live operational data rather than last night's copy.
Most people will never open one. That's fine — the nota isn't mainly there to be read. It's there because a system that has to produce a source for every claim can't quietly invent one. It makes mistakes findable. And the minority who do check are the most valuable skeptics we have.