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Observation record / Crossref · 研究前沿
1439 Field extensions
First seen 10/19, 04:21 · Last observed 10/19, 22:22 · Source data is current
Read the original source ↗Title-based outline1439 Field extensions
Why it mattersResearch metadata links to papers and authors. Read the original for conclusions; publication order is not impact.
The source provides a date without a publication time; excluded from hourly scored picks.
30 minutesRank movement—
Building history
1 hourRank movement—
Building history
24 hoursRank movement—
Building history
Publication position history
4 observationsPublication feed in source order. Position changes do not count as heat or momentum.
Crossref bibliographic metadata CC0
View original observation times and ranks
| Observation time (Beijing) | Source position |
|---|---|
| 10/19, 22:22 | 5 |
| 10/19, 16:22 | 5 |
| 10/19, 10:21 | 5 |
| 10/19, 04:21 | 5 |
Daily aggregate history
| 日期 | Best daily position | Last daily position | Observations |
|---|---|---|---|
| 2026-10-19 | 5 | 5 | 4 |