TrueNorth
Toggle sidebar
Draw Details
Revealed
Drand Quicknet
API Turbo-Draw

Round ID: 9307b7f2-8633-4abd-b1de-ecca0a5c5576

674 Sold · 1,799 Max Tickets
Winning Ticket
1 winner
Draw #8
#421
Verified by Drand distributed randomness beacon
Derived Numbers
8 numbers
1 winner
Attempt
Ticket
Outcome
Verify
0 320
Unsold
1 856
Unsold
2 1558
Unsold
3 1592
Unsold
4 1401
Unsold
5 858
Unsold
6 1487
Unsold
7 421
Winner
Verifiably Fair Data
Server Seed (Revealed)
Drand Signature (Public)

8f83385028da66687990554aac1a8724049be0b6fc9cd09f565b3a8c76909b9b07a8e4d4c431a4d8e9c6a079ca43866b

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): 1793561991419
Index 1, 2, 3... (subsequent numbers): 1793561991419: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: 33586211
View Raw Beacon Data (API)
Draw Information
External ID 41-lhHyP75P
Numbers Derived 8
Pool Size 1,799
Status
Completed
Company Information
Name Retro Competitions
Number 15787178
Draw Timeline
Committed
Drand Round
Revealed