What the scanner sees now
- Today’s active stalls: 14
- River City Tacos menu: 3 items sold out
- Prepared stew tray: safe-to-take until 8 PM
- Last updates signed 17 minutes ago
Demo scan page · combo 3
Markets + menus + surplus
A co-op pass can route to today’s market and current menu while prepared-food tags signal safe-to-take surplus in real time.
Scan view · co-op pass
Market/menu layer
- Co-op pass links to today’s stalls and live menus
- Vendors toggle open, moved, sold out, and closed states
- Customers scan one pass, not dozens of posters
Surplus safety layer
- Prepared-food tags mark safe-to-take surplus
- Expired or recalled trays switch to do-not-consume
- Vendor updates one state object instead of reprinting
Signed streams behind this card
- Co-op stream Who is vending today, where stalls are, and market-level notices
- Kitchen stream Freshness, expiry, allergens, and recall state for prepared surplus
- Vendor stream Menu item availability and service-window validity per stall
This stack reduces print churn and stale information while preserving signer boundaries for safety-critical food claims.