Tonight Closing
Drop paper in. Wake up to your books.
After a fourteen-hour day, the paperwork is the job nobody wants. So it waits in a shoebox until your accountant asks for it in April.
Here is your part:
- Put the day’s files in the Nightbooks folder on the shop computer.
- Photograph the paper on the shop tablet.
- Go home.
Overnight, one machine reads each page and checks its numbers against it. What it can’t prove waits for a person, and by morning your books are on your phone.
Free for founding businesses — every module, no card, no contract.
nothing of ours runs on your machines · no cloud reads your paperwork · no invented numbers
- invoice-tropico-4471.pdf invoice
- invoice-rdepot-88123.pdf invoice
- invoice-hudson-0828.pdf invoice
- deposit-clover-0815.pdf card deposits
- statement-gsd-aug.pdf statement
- items_sold_wk09.csv a week of till sales
10:30 pm The pickup
Where your paper goes tonight.
After you close, Parth’s machine copies the folder over one encrypted connection. The machine is a Mac Studio desktop in his home office in New Jersey. When the two computers can’t reach each other directly, the sealed link is relayed by Tailscale, which carries traffic it cannot open.
Stays on this machine
- Your paper, exactly as you handed it over.
- The reading. Your numbers are read by a model on that same machine. Nothing is sent to OpenAI, Anthropic, Google, or any other outside service to be read, processed, or trained on.
- Your books, with the page behind each number.
- The nightly copies, made at 2:30 am.
Leaves it
- The morning memo, sent as ordinary email, through the mail providers on both ends like any email. It carries figures and short sentences, never your documents.
- What you look at: your books, when you open them on your phone, over the same private line.
11:00 pm The reading
A model reads the page. Code checks the number.
The language model reads each page: who it’s from, what it’s for, how much. Code then checks each figure against the page itself. Where the two don’t agree, the page waits for a person, with the reason written down.
Caught: a price that crept
$728.71 Watch over the last 60 days
Single-origin espresso, from Hudson Bean Collective
↳ across invoices · $0.0419 → $0.0478 a gram, +14.2%
Held: a page it would not guess at
— Held no figure taken
Could not be read, held for a person, nothing guessed: statement-gsd-aug.pdf
↳ statement-gsd-aug.pdf · the page itself, one tap away
Read two ways: a person picked
invoice-hudson-0828.pdf: the total is printed across the fold and could be read two ways — held for a person instead of picked
$868.00 the owner’s reading
The first reading, $686.00, stays on file beside it.
All three are from the demo cafe’s books, and the miss sits beside the win on purpose. The product’s own screens do the same.
Also checked on each page, nightly: double-billed deliveries, quiet price increases and bills made out to someone else.
2:30 am The copies
Copies every night. One machine, for now.
- Encrypted at rest
- The server’s disk is encrypted, and so is each nightly backup: up to fourteen nightly generations, each one locked (AES-256) under a key we hold. Today those backups live on that same machine: the second copy kept off it is configured but has never run. The disk is not plugged in yet, and this line will say so until it is.
- Card numbers masked
- Card numbers are stripped out of the text we store and out of the filenames we keep, so the books never carry one. Your originals are different: we keep them exactly as you handed them over, unaltered, card number and all, which is what lets us hand them back.
- Kept apart
- Each business has its own folder, kept apart from the rest.
- Nightly copies, encrypted on the machine itself
- A copy on a second disk configured, not plugged in yet
7:00 am The memo
A letter you can read before you unlock the door.
It tells you what’s due and who owes you, and it puts what didn’t work next to what did. Code works out each figure in it from your books, and drops any sentence whose numbers don’t check.
Saffron & Steam Aug 22
Due now & this week
Bills due in the next 7 days total $1,538.30 across 3 vendors.
Money in / owed to us
Customers owe you $2,640.00, of which $2,080.00 is already past due.
Worth a look
Single-origin espresso cost more per unit than it did; the rise has cost $728.71 over the last 60 days.
Ceremonial matcha is at its reorder point; the order comes to $174.00.
The Vanilla Bean Latte play earns $12.49 a week — keeping it.
The Blueberry Matcha play is costing $4.74 a week — worth rethinking.
Needs a human
5 letters and orders are written and waiting to be sent.
Lines copied word for word from the demo cafe’s memo; its bills and customers were written for the demonstration. A play is a change you tried, like a new price or a counter card. It lands by email at 7 a.m. once your address is on file and the mailbox it sends from is set up. No app, no login.
7:05 am The morning
Then your books, on your phone.
The first screen answers three things: what was caught, what needs you, and how this week did against last. Tap any number for the rows behind it and the page it came from.
1 · What was caught
$565.29 since day one
2 · Needs a person
9 Act open actions
Start with the held pages → Intake
3 · This week vs last
+$1,147 Fine
revenue, Aug 10 → Aug 17
Tap the first number: $565.29
Nothing to do here — this is the running score. Every line is money Nightbooks found by reading the paperwork.
The rows behind it
The total counts each catch once, at its size the night it was first seen. The espresso price rise is still being watched: over the last 60 days it has cost $728.71.
The pages it came from
- ↳ invoice-tropico-4471.pdf, the syrup line
- ↳ invoice-rdepot-88123.pdf, the pistachio line
- ↳ each item’s own ledger, line by line, for the other five
The top of the demo’s first screen, its list cut to four of five rows, and the sheet behind its first number. The seven rows add up to the total.
And then Week, month, year
After the first morning.
- After close
The crew counts the shelf.
On the shop tablet. The count is blind: no costs and no expected amounts on screen, so nobody counts toward an answer.
Espresso, Aug 22:
expected 13,842, counted 12,492 g
, a $64.58 gap. - Any time
Ask it a question.
In your own words. The answer names the rows and pages it rests on, and a sentence it can’t check is not shown.
The demo’s own suggestions:
Who owes me money?
·Which supplier raised prices?
·Why is my ingredient cost up?
- Each month
A close pack for your accountant.
One printable page for the month, and the purchase ledger as a spreadsheet in which each row names the page it came from.
- Each year
The year-end pack.
Money month by month, each correction with both readings kept, the list of held pages, and the sales tax set aside by month. It is what your accountant asks for in April.
- Each week
A call with Parth.
Its agenda puts itself together from what the week turned up. A founding business has every module, so the call is weekly.
Who And what you set up
One person, one machine.
Nightbooks is run by Parth Patel, on one Mac Studio he owns, in his home office in New Jersey. Nobody else has access to it.
What gets set up at your shop
- Tailscale on your phone, the shop computer and the shop tablet: a private line between them and Parth’s machine, not a VPN that watches your browsing.
- Remote Login switched on at the shop computer, with our pickup key added, so the folder can be collected at night.
- The shop computer left on overnight. If it sleeps, there is nothing to collect.
- On a Windows PC, two free tools as well: OpenSSH and rsync.
Nothing of ours stays running on your machines. At night our machine connects, copies the folder and goes; turn off Remote Login and it can’t reach you at all. Your crew gets the count sheet and the drop page on the shop tablet, and never your numbers.
Cost Founding businesses
Free while we’re founding.
Questions
What does it cost?
Where does my data live?
What kinds of paperwork can it read?
Can it replace the manager I was going to hire?
Do I have to change how I work?
What if I want to leave?
Today What’s true
What works today, and what doesn’t yet.
The reading, the checking and the screens on this page run today on the demo cafe and on our own test books. No outside business has been through it yet; the founding businesses will be the first.
Measured on our own test books, not promised
Each run read typed pages from our own test books: a contractor’s and a bakery’s. Photos and scans have not been measured yet, and not every run can be repeated today: the bakery’s answer key and two of the four models are no longer on this machine.
Test books on this machine: cafe books contractor books bakery books salon books
Not yet
- We haven’t collected from a real shop yet, and no owner has had a morning memo: the mailbox it sends from will be set up when the first business starts. Parth watches each founding business’s first night by hand.
- The second backup disk is configured and not plugged in.
- The demo’s weekly sales are made up for the demo. Your till’s export will be the first real one read.
- One machine is one point of failure. If it is off, that night isn’t read, and nothing outside it raises an alarm yet.
- In the demo Matching bank lines, budget against actual, a three-month cash forecast, the calendar of bills due, the calendar of license dates, payroll and the price check run only on the demo cafe’s books. Each needs its own paper read in first: bank statements, pay stubs, bill and license dates.
- These desks are a cafe’s. A trade’s (jobs, customers, a work calendar, materials) run on a written example business, and a salon’s own measures aren’t built.
Start
Tell Parth about your shop.
What you run, and what the paperwork looks like. If it’s a fit, he sets up your shop and watches your first night himself. You decide after one morning with your own books.
- a call
- setup at your shop
- your first night
- you decide
Parth answers these himself, within one business day. If you don’t hear back, call or text — a message that went missing is our problem, not yours to wonder about.