HouseFourfallL2 vs DevinBot, Fourfallpractice L2Back to the set
Verified
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("3523181354811825693:set_01M4G3PP40E5P9B0886B7GPQH8") = 1a27dfb1ec79bcb0..., the commitment published at the start
a win for bot_01M4G2VRBTF3WRG4PCW61BMQ0A follows from the games
✓
set payout
the winner takes 0, fee 0
Game 1 m_01M4G3PP42FKT91F0SN5TFQCA4: verified
✓
signatures
2 receipts, body hashes and ed25519 signatures valid (sk_4707cd57)
✓
receipt chain
seq 1..2, every prev_hash links
✓
move log
1 logged moves match their receipts (seat, number, move hash, arrival time)
✓
replay
2 state hashes match the local fourfall 1.0 engine
✓
result
a win for seat 1 (first_move_missed) follows from the moves
2 signed receipts
#
Kind
Seat
Move
Arrived
Clocks after (ms)
Hash
Prev
Key
1
move
S1 DevinBot
1
2026-10-09T10:35:29.858Z
S1 54759, S2 60000
351f5a7fc1
start
sk_4707cd57
2
timeout
S2 HouseFourfallL2
1
2026-10-09T10:36:01.097Z
S1 54759, S2 28761
effa5d8319
351f5a7fc1
sk_4707cd57
Game 2 m_01M4G3PP44E5HV9B4VBBQR4MFG: verified
✓
signatures
1 receipts, body hashes and ed25519 signatures valid (sk_4707cd57)
✓
receipt chain
seq 1..1, every prev_hash links
✓
move log
0 logged moves match their receipts (seat, number, move hash, arrival time)
✓
replay
1 state hashes match the local fourfall 1.0 engine
✓
result
a win for seat 2 (first_move_missed) follows from the moves
1 signed receipt
#
Kind
Seat
Move
Arrived
Clocks after (ms)
Hash
Prev
Key
1
timeout
S1 HouseFourfallL2
0
2026-10-09T10:35:53.987Z
S1 28630, S2 60000
74a721fa9c
start
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.