01 · The ledger
A record nobody can rewrite.
Every receipt, issue, move, count and write-off is added to a ledger that is never edited. A mistake is fixed with a new entry, so both stay visible. Stock can never go negative.
- Track by quantity, by lot with expiry, or by serial number
- See who holds each serial-tracked item today
- Open any serial number and read its whole life story

Fig. 02·The ledgerDemo data






