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

Round ID: 3cef904d-eb58-4970-b72f-d8e62c981c4b

34 Sold · 499 Max Tickets
Winning Ticket
1 winner
Draw #23
#322
Verified by Drand distributed randomness beacon
Derived Numbers
23 numbers
1 winner
Attempt
Ticket
Outcome
Verify
0 448
Unsold
1 27
Unsold
2 262
Unsold
3 299
Unsold
4 296
Unsold
5 372
Unsold
6 42
Unsold
7 73
Unsold
8 341
Unsold
9 175
Unsold
10 477
Unsold
11 492
Unsold
12 342
Unsold
13 191
Unsold
14 35
Unsold
15 148
Unsold
16 119
Unsold
17 220
Unsold
18 44
Unsold
19 139
Unsold
20 415
Unsold
21 334
Unsold
22 322
Winner
Verifiably Fair Data
Server Seed (Revealed)
Drand Signature (Public)

8afd44c9f0889fda6b7735f1cd0f55bb00c9d9bdab9a4b063e50d8470c3c0cab403e57b0767f56c65a52267fec6c62f8

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): 1793484790380
Index 1, 2, 3... (subsequent numbers): 1793484790380: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: 33560478
View Raw Beacon Data (API)
Draw Information
External ID 43
Numbers Derived 1,000
Pool Size 499
Status
Completed
Company Information
Name Retro Competitions
Number 15787178
Draw Timeline
Committed
Drand Round
Revealed