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Draw Details
Revealed
Drand Quicknet
API Turbo-Draw

Round ID: 7d8a0f91-73c0-44b0-b3b6-faeb5b9dc6cb

96 Sold · 369 Max Tickets
Winning Ticket
1 winner
Draw #3
#288
Verified by Drand distributed randomness beacon
Derived Numbers
3 numbers
1 winner
Attempt
Ticket
Outcome
Verify
0 131
Unsold
1 108
Unsold
2 288
Winner
Verifiably Fair Data
Server Seed (Revealed)
Drand Signature (Public)

81cb479492352ea8182f400d5f4cfc0ce178bf1d20a08f4b64def084c0abb3a20520e0805dda5f483ca05cbfc1166c32

Client Seed
Draw Timestamp
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
Multi-Number Draw
This is an API auto-draw that generated multiple numbers. Each number can be independently verified.
Index 0 Verified
The first number (index 0) matches the base round result. This confirms the draw is verifiably fair.
How to Verify Each Number

To manually verify each number, use the verification form with these client seeds:

Index 0 (first number): 1792095006152
Index 1, 2, 3... (subsequent numbers): 1792095006152: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 Form
Drand Proof

This round was generated using the Drand Quicknet beacon.

Drand Round: 33097216
View Raw Beacon Data (API)
Draw Information
External ID 481
Numbers Derived 1,000
Pool Size 369
Status
Completed
Company Information
Name Cobra Competitions
Number SC746386
Draw Timeline
Committed
Drand Round
Revealed