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Eigenmoon: linear algebra puzzles by moonlight

First seen 10/22, 19:27 · Last observed 10/22, 22:08 · Source data is current

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Title-based outlineEigenmoon: linear algebra puzzles by moonlight

Why it mattersA discussion on this source’s current list. Verify details in the original; rank does not establish reliability.

Published 10/20, 04:02

30 minutesRank movement+3

Baseline observed 10/22, 21:37

1 hourRank movement0

Baseline observed 10/22, 21:07

24 hoursRank movement—

Building history

Source rank history

15 observations

Momentum 0/100 = max(0, 1h rank gain) ÷ baseline rank × 100. Platform metrics are not combined.

192710/22, 19:27 · 20 places10/22, 19:37 · 22 places10/22, 19:47 · 26 places10/22, 19:57 · 27 places10/22, 20:27 · 25 places10/22, 20:37 · 25 places10/22, 20:47 · 22 places10/22, 20:57 · 23 places10/22, 21:07 · 19 places10/22, 21:17 · 19 places10/22, 21:27 · 21 places10/22, 21:37 · 22 places10/22, 21:47 · 24 places10/22, 21:57 · 24 places10/22, 22:08 · 19 places10/22, 19:2710/22, 22:08
Official public API · linked titles only· Author jessicarumbelow
View original observation times and ranks
Observation time (Beijing)Source position
10/22, 22:0819
10/22, 21:5724
10/22, 21:4724
10/22, 21:3722
10/22, 21:2721
10/22, 21:1719
10/22, 21:0719
10/22, 20:5723
10/22, 20:4722
10/22, 20:3725
10/22, 20:2725
10/22, 19:5727
10/22, 19:4726
10/22, 19:3722
10/22, 19:2720
Daily aggregate history
日期Best daily positionLast daily positionObservations
2026-10-22191915