VnExpress International (VN) · the top story · first seen 2026-10-02 23:02 UTC

Vietnamese professor cracks 55-year-old math puzzle, inspired by juggling

See it on the timeline →Proof and how to check it

The record

Outlet

VnExpress International (VN) (vnexpress)

Position

The top story

First seen

2026-10-02 23:02 UTC

Last seen

2026-10-03 03:31 UTC · 27 polls · as of now, not part of the record

Story URL

https://e.vnexpress.net/news/news/education/vietnamese-professor-cracks-55-year-old-math-puzzle-inspired-by-juggling-5127532.html

SHA-256

fbd3341fa59f6cba9196c73e15f916131af598c191bc752fc70476337a39edd5

Timestamps

• Wayback Machine · this pageCaptured 2026-10-03 00:00 UTC — view the capture.
• Wayback Machine · the story pageCaptured 2026-10-02 23:07 UTC — view the capture.
• OpenTimestamps · BitcoinConfirmed in Bitcoin block 969645, mined 2026-10-02 23:16 UTC. The proof.

Sealed automatically, 4 min after it was first seen.