https://aumahinay.dev/ New blog posts and Python for Treasury Work lessons by Butch Mahinay en Sun, 08 Nov 2026 00:00:00 +0800 https://aumahinay.dev/blog/altos-framework-every-document-has-an-owner/ https://aumahinay.dev/blog/altos-framework-every-document-has-an-owner/ Sun, 08 Nov 2026 00:00:00 +0800 A receipt that belongs to everyone belongs to no one. Every form in custody and every peso in hand needs a named, bonded officer who answers for it. https://aumahinay.dev/tutorials/add-up-daily-collections/ https://aumahinay.dev/tutorials/add-up-daily-collections/ Sat, 07 Nov 2026 00:00:00 +0800 Read the day's official receipts from a spreadsheet export and total them per fund, to the centavo. https://aumahinay.dev/blog/so-close-to-alibijaban/ https://aumahinay.dev/blog/so-close-to-alibijaban/ Thu, 05 Nov 2026 00:00:00 +0800 On Hermano Puli Day, I sat alone on someone else's bangka in San Andres, Quezon, and looked out at an island I have loved for almost two decades. This time, I could not cross. https://aumahinay.dev/blog/why-dev-and-not-com/ https://aumahinay.dev/blog/why-dev-and-not-com/ Thu, 05 Nov 2026 00:00:00 +0800 Most people expect a .com. I chose aumahinay.dev. Here is why, in plain words, and what it taught me about building things that are safe by default. https://aumahinay.dev/blog/coming-home-to-the-farm/ https://aumahinay.dev/blog/coming-home-to-the-farm/ Wed, 04 Nov 2026 00:00:00 +0800 Five years. That is how long it had been since I last set foot on my 3-hectare farm. https://aumahinay.dev/tutorials/getting-started/ https://aumahinay.dev/tutorials/getting-started/ Mon, 02 Nov 2026 00:00:00 +0800 Install Python on Windows or Mac, open the command line, and run a script, with fixes for the usual first errors. https://aumahinay.dev/blog/altos-framework-every-peso-has-a-document/ https://aumahinay.dev/blog/altos-framework-every-peso-has-a-document/ Sun, 01 Nov 2026 00:00:00 +0800 No collection without an accountable form, no release without a voucher. A peso that leaves no paper behind cannot be accounted for. https://aumahinay.dev/blog/first-post-as-acting-treasurer/ https://aumahinay.dev/blog/first-post-as-acting-treasurer/ Thu, 29 Oct 2026 00:00:00 +0800 Two years, two Mayors, a pandemic, a typhoon and an election: what my first post as Acting Municipal Treasurer of Mulanay, Quezon, taught me. https://aumahinay.dev/blog/altos-framework-legality-first/ https://aumahinay.dev/blog/altos-framework-legality-first/ Wed, 28 Oct 2026 00:00:00 +0800 Before we ask how a peso was handled, we should ask whether the law allowed it at all. https://aumahinay.dev/blog/why-i-built-altos/ https://aumahinay.dev/blog/why-i-built-altos/ Tue, 27 Oct 2026 00:00:00 +0800 A treasury system built around one idea: every peso should be accounted for from the moment it arrives to the moment it is reported.