← Back to radar
Observation record / Hacker News
The Chalk and the Airplane
First seen 10/24, 18:59 · Last observed 10/24, 20:50 · Source data is current
Read the original source ↗Title-based outlineThe Chalk and the Airplane
Why it mattersA discussion on this source’s current list. Verify details in the original; rank does not establish reliability.
30 minutesRank movement+2
Baseline observed 10/24, 20:20
1 hourRank movement+2
Baseline observed 10/24, 19:50
24 hoursRank movement—
Building history
Source rank history
12 observationsMomentum 9/100 = max(0, 1h rank gain) ÷ baseline rank × 100. Platform metrics are not combined.
Official public API · linked titles only· Author paulorlando
View original observation times and ranks
| Observation time (Beijing) | Source position |
|---|---|
| 10/24, 20:50 | 20 |
| 10/24, 20:40 | 20 |
| 10/24, 20:30 | 24 |
| 10/24, 20:20 | 22 |
| 10/24, 20:10 | 21 |
| 10/24, 20:00 | 20 |
| 10/24, 19:50 | 22 |
| 10/24, 19:39 | 21 |
| 10/24, 19:29 | 17 |
| 10/24, 19:19 | 23 |
| 10/24, 19:09 | 21 |
| 10/24, 18:59 | 19 |
Daily aggregate history
| 日期 | Best daily position | Last daily position | Observations |
|---|---|---|---|
| 2026-10-24 | 17 | 20 | 12 |