Learning & ideas · Durable canon
Below the Surface – Finds from an archaeological project in the River Amstel
belowthesurface.amsterdam · first seen 2018 · unchecked
33.9durability68% evidence confidence
Why it endures
Independent rediscovery across 3 active years.
The score rewards recurring year-relative traction, distinct submitters, and strong appearances separated across HN generations. Link survival does not change cultural durability.
Read the original ↗- Submissions
- 6
- People
- 6
- Peak
- 522
- Status
- unchecked
Submission history
2018—2026
Bars show the number of normalized submissions in each year. Annual traction inside the score is percentile-adjusted.
Explainable score
Every point has a reason.
Repeat traction3.9/30
Independent discovery14.7/20
Persistence12.8/20
Generational reach0.0/20
Sustained discussion2.5/10
