Draw Details
Round ID: 892ba02f-1614-4645-b4e3-d800b228e7e1
£100 Scratchcard INSTANT WINS - £100 AUTODRAW END PRIZE
https://cobra-competitions.co.uk/admin/products/ps100-scratchcard-instant-wins-ps100-autodraw-end-prize
3,120 Sold
·
99,999 Max Tickets
Derived Numbers
Verifiably Fair Data
Server Seed (Revealed)
Drand Signature (Public)
b674f509bc73b4989a854b14e8d43dfb22624c52a21b24ee61cd19442a58eef900c271972bb9ec3e2c805c8bbeed7135
Client Seed
Round ID
Static Salt
Tickets Sold
Max Tickets
All Together
Pre-hash String
This is the combination of all the above data then provided to a
HMAC-SHA256 hashing algorithm, using the Server Seed as the key.
Combined as: client_seed:round_id:static_salt:tickets_sold:max_tickets
Hash
The below hash is the result of the above pre-hashed string.
Verification
How to Verify Each Number
To manually verify each number, use the verification form with these client seeds:
Index 0 (first number):
1786911054677
Index 1, 2, 3... (subsequent numbers):
1786911054677:N
Replace N with the index number (1, 2, 3, etc.)
Use the verify button next to each number in the attempts table, or manually verify using the data below.
Open Verification FormDrand Proof
This round was generated using the Drand Quicknet beacon.
Drand Round:
31369232
Draw Information
External ID
388
Numbers Derived
1,000
Pool Size
99,999
Status
Company Information
Draw Timeline
Committed
Drand Round
Revealed