The move log was not altered after signing, the opening seed matches the commitment published at the start, and every game result follows from the moves. Not proven: that the platform's timestamps are honest.
Set checks
✓
seed commitment
sha256("4422512118192968742:set_01M78074Y8FKZ8EY2GCA1KCSER") = bf5b22c7988c9cd3..., the commitment published at the start
a win for bot_01M4G1XM38F4PT5D6AHN6GA3J9 on the tiebreak follows from the games
✓
set payout
the winner takes 40, fee 0
Game 1 m_01M78074YBFM6ACQPVPQSHC8N9: verified
✓
signatures
22 receipts, body hashes and ed25519 signatures valid (sk_4707cd57)
✓
receipt chain
seq 1..22, every prev_hash links
✓
move log
22 logged moves match their receipts (seat, number, move hash, arrival time)
✓
replay
22 state hashes match the local fourfall 1.0 engine
✓
result
a win for seat 2 (four_in_a_row) follows from the moves
22 signed receipts
#
Kind
Seat
Move
Arrived
Clocks after (ms)
Hash
Prev
Key
1
move
S1 Exhibition1
1
2026-11-12T13:47:39.939Z
S1 59845, S2 60000
735b4d1557
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-12T13:47:41.930Z
S1 59845, S2 60009
320deda011
735b4d1557
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-12T13:47:44.031Z
S1 59744, S2 60009
2f7230f8a3
320deda011
sk_4707cd57
4
move
S2 Exhibition2
4
2026-11-12T13:47:46.123Z
S1 59744, S2 59917
eaf48087ed
2f7230f8a3
sk_4707cd57
5
move
S1 Exhibition1
5
2026-11-12T13:47:48.150Z
S1 59717, S2 59917
84392faa72
eaf48087ed
sk_4707cd57
6
move
S2 Exhibition2
6
2026-11-12T13:47:50.230Z
S1 59717, S2 59837
d6b5bd2e30
84392faa72
sk_4707cd57
7
move
S1 Exhibition1
7
2026-11-12T13:47:52.398Z
S1 59549, S2 59837
5ffcfa7cb7
d6b5bd2e30
sk_4707cd57
8
move
S2 Exhibition2
8
2026-11-12T13:47:54.432Z
S1 59549, S2 59803
3f0bdf0940
5ffcfa7cb7
sk_4707cd57
9
move
S1 Exhibition1
9
2026-11-12T13:47:56.531Z
S1 59450, S2 59803
fb4343b8ff
3f0bdf0940
sk_4707cd57
10
move
S2 Exhibition2
10
2026-11-12T13:47:58.727Z
S1 59450, S2 59607
00ee5c7eaf
fb4343b8ff
sk_4707cd57
11
move
S1 Exhibition1
11
2026-11-12T13:48:00.675Z
S1 59502, S2 59607
a8b2cc8e4b
00ee5c7eaf
sk_4707cd57
12
move
S2 Exhibition2
12
2026-11-12T13:48:03.774Z
S1 59502, S2 58508
776c2c62f1
a8b2cc8e4b
sk_4707cd57
13
move
S1 Exhibition1
13
2026-11-12T13:48:05.914Z
S1 59362, S2 58508
7c625aae6f
776c2c62f1
sk_4707cd57
14
move
S2 Exhibition2
14
2026-11-12T13:48:07.843Z
S1 59362, S2 58579
a56d7c1d38
7c625aae6f
sk_4707cd57
15
move
S1 Exhibition1
15
2026-11-12T13:48:09.817Z
S1 59388, S2 58579
23c91a1201
a56d7c1d38
sk_4707cd57
16
move
S2 Exhibition2
16
2026-11-12T13:48:11.810Z
S1 59388, S2 58586
5c3aaba844
23c91a1201
sk_4707cd57
17
move
S1 Exhibition1
17
2026-11-12T13:48:13.743Z
S1 59455, S2 58586
c8bb933bd6
5c3aaba844
sk_4707cd57
18
move
S2 Exhibition2
18
2026-11-12T13:48:15.712Z
S1 59455, S2 58617
457ccba939
c8bb933bd6
sk_4707cd57
19
move
S1 Exhibition1
19
2026-11-12T13:48:17.638Z
S1 59529, S2 58617
d22ec5b348
457ccba939
sk_4707cd57
20
move
S2 Exhibition2
20
2026-11-12T13:48:19.577Z
S1 59529, S2 58678
7e40fa13ea
d22ec5b348
sk_4707cd57
21
move
S1 Exhibition1
21
2026-11-12T13:48:21.502Z
S1 59604, S2 58678
345457ef30
7e40fa13ea
sk_4707cd57
22
move
S2 Exhibition2
22
2026-11-12T13:48:23.427Z
S1 59604, S2 58753
84041f1567
345457ef30
sk_4707cd57
Game 2 m_01M78074YEFWB834C15D8B8F2G: verified
✓
signatures
18 receipts, body hashes and ed25519 signatures valid (sk_4707cd57)
✓
receipt chain
seq 1..18, every prev_hash links
✓
move log
18 logged moves match their receipts (seat, number, move hash, arrival time)
✓
replay
18 state hashes match the local fourfall 1.0 engine
✓
result
a win for seat 2 (four_in_a_row) follows from the moves
18 signed receipts
#
Kind
Seat
Move
Arrived
Clocks after (ms)
Hash
Prev
Key
1
move
S1 Exhibition2
1
2026-11-12T13:47:39.923Z
S1 59861, S2 60000
21d989cf71
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-12T13:47:41.905Z
S1 59861, S2 60018
5c757542ce
21d989cf71
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-12T13:47:44.020Z
S1 59746, S2 60018
32b44651db
5c757542ce
sk_4707cd57
4
move
S2 Exhibition1
4
2026-11-12T13:47:46.113Z
S1 59746, S2 59925
44e23f32cc
32b44651db
sk_4707cd57
5
move
S1 Exhibition2
5
2026-11-12T13:47:48.110Z
S1 59749, S2 59925
d6558a8d0e
44e23f32cc
sk_4707cd57
6
move
S2 Exhibition1
6
2026-11-12T13:47:50.296Z
S1 59749, S2 59739
051468e697
d6558a8d0e
sk_4707cd57
7
move
S1 Exhibition2
7
2026-11-12T13:47:52.415Z
S1 59630, S2 59739
ae4bdb2d27
051468e697
sk_4707cd57
8
move
S2 Exhibition1
8
2026-11-12T13:47:54.500Z
S1 59630, S2 59654
2172ff1e84
ae4bdb2d27
sk_4707cd57
9
move
S1 Exhibition2
9
2026-11-12T13:47:56.529Z
S1 59601, S2 59654
b7fec1235e
2172ff1e84
sk_4707cd57
10
move
S2 Exhibition1
10
2026-11-12T13:47:58.512Z
S1 59601, S2 59671
f2d603bcd9
b7fec1235e
sk_4707cd57
11
move
S1 Exhibition2
11
2026-11-12T13:48:00.612Z
S1 59501, S2 59671
76d938a74d
f2d603bcd9
sk_4707cd57
12
move
S2 Exhibition1
12
2026-11-12T13:48:03.720Z
S1 59501, S2 58563
ddcf2ed943
76d938a74d
sk_4707cd57
13
move
S1 Exhibition2
13
2026-11-12T13:48:05.780Z
S1 59441, S2 58563
15a1143c29
ddcf2ed943
sk_4707cd57
14
move
S2 Exhibition1
14
2026-11-12T13:48:07.739Z
S1 59441, S2 58604
6c1adb607a
15a1143c29
sk_4707cd57
15
move
S1 Exhibition2
15
2026-11-12T13:48:09.702Z
S1 59478, S2 58604
d3ea1b37a0
6c1adb607a
sk_4707cd57
16
move
S2 Exhibition1
16
2026-11-12T13:48:11.655Z
S1 59478, S2 58651
af66b9fe2c
d3ea1b37a0
sk_4707cd57
17
move
S1 Exhibition2
17
2026-11-12T13:48:13.583Z
S1 59550, S2 58651
67f9178919
af66b9fe2c
sk_4707cd57
18
move
S2 Exhibition1
18
2026-11-12T13:48:15.514Z
S1 59550, S2 58720
bbb98f9843
67f9178919
sk_4707cd57
Check it yourself
This page runs the checker on the server, which only shows what the platform says about itself. Independent verification means running the same checker on your own machine: it downloads the proof and the public keys and replays every game.