Calculated combinations. Issued once. Checked after every draw.
642 is starting with one game only: Canada Lotto 6/49. Every combination is issued to one member only. You buy your own ticket from the lottery — we never sell tickets.
Database connection needed
This build is ready for its own Supabase project. Once the project address and publishable key are added, real accounts and the server ledger will turn on.
Current Canada draw cycle
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How the closed beta works
1. Create an account. Accounts on the beta list are approved with test play credits.
2. Choose printable slips or a copy-ready list.
3. The server ledger issues each combination once only.
4. Buy your own lottery ticket and write the slip letter on the back.
5. After the draw, sign in to see your private result and any winning alert.
Who We Are
We are 642, a service of 524639 Publishing. Our method is printed on this site in full, and we will say plainly what anyone can see: with a pencil and a results page, you could do this yourself.
So why do we exist? Because doing it yourself — every draw, every game, no combination ever issued twice, no winning ticket ever missed — is work, and work is what we sell. We print your slips, ready for the store. We check every draw against your numbers automatically. We run pool groups properly, with every member recorded and every combination issued once only.
The method is free. The service is the business.
This draw’s field
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Get combinations
Sign in with an approved beta account to issue combinations.
Minimum 5. Maximum 500 in this beta. One beta play credit per combination. Credits have no cash value.
Delivery
Your issued combinations
Next step is yours: buy your tickets at a lottery retailer or on the lottery corporation’s official site. The printed ticket is the only official record of your play.
My combinations
Private to your account. Nothing here is published.
Sign in to see your issued combinations.
Groups
Create a group and add players by real name and email. Nobody becomes a member until they approve. Real names stay inside the group and are never published.
Create a group
Your groups
Sign in to see your groups.
Group invitations for you
Sign in to see invitations sent to your email address.
My reports
Your private draw results and winning alerts. Reports are never published and never use your name or alias publicly.
Sign in to see your reports.
How it works — the method in the open
642 — six numbers, from the 42 that remain.
After every draw, the numbers that just came up are set aside, all seven of them including the bonus, and every combination is built from the 42 numbers left. That is the whole method, printed where anyone can check it.
1. After each draw, the drawn numbers are set aside.
2. Combinations are built only from the numbers that remain.
3. Each combination is issued once, to one member, and recorded in the server ledger with its slip letter and board number.
4. After the next draw, every issued combination is checked privately. A member holding a winning combination receives an alert in this account.
The honest odds
Canada Lotto 6/49 has 13,983,816 possible six-number combinations. Every combination, however it is chosen, has the same 1 in 13,983,816 chance of being the jackpot combination.
On a draw where the winning combination uses none of the seven set-aside numbers, it is inside the field of 5,245,786 combinations. On the other draws, no combination issued from that field can be the jackpot combination. The method does not change any individual ticket’s chance. What the service provides is the work: issuing without duplication, printing the slips, checking every combination, and running groups properly.
No prediction is made and no result is guaranteed. Lottery draws are random and independent.
Important limits
642 is not the lottery and is not affiliated with any lottery corporation. We do not sell tickets, take ticket money, hold prizes, or pay prizes. Your printed lottery ticket is the official record. Check it with the lottery as well as with us.
Play responsibly. This is entertainment, not income. You must be of legal age to buy a lottery ticket where you live.
Your 642 account
Create a closed-beta account
The beta list is controlled by email address. An approved beta email receives 100 test play credits when the profile is created. Credits have no cash value.
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Your private alias