← the record

Proof: Meet the professor at Asia's 3rd-best university behind Singapore's first homegrown eVTOL

The record — the exact bytes that were hashed

{"first_seen":"2026-10-04T00:40:34Z","headline":"Meet the professor at Asia's 3rd-best university behind Singapore's first homegrown eVTOL","kind":"front-page-headline","rank":1,"source":"vnexpress","url":"https://e.vnexpress.net/news/tech/personalities/meet-the-professor-at-asia-s-3rd-best-university-behind-singapore-s-first-homegrown-evtol-5127068.html","v":1}

Download headline-f120a725c487.json

SHA-256

f120a725c48729986ed5a4c72c48e313037945b783b4e6ffdc62bb0336c8e5c7

OpenTimestamps

Confirmed in Bitcoin block 969787, mined 2026-10-04 02:17 UTC.

Download headline-f120a725c487.json.ots

Wayback Machine

• The record pageCaptured 2026-10-04 00:42 UTC — view the capture.
• The story pageCaptured 2026-10-04 00:42 UTC — view the capture.

Check it yourself — none of this needs this site

1. Hash the record: sha256sum headline-f120a725c487.json prints f120a725c48729986ed5a4c72c48e313037945b783b4e6ffdc62bb0336c8e5c7. Its first twelve characters are the end of this record's address.
2. Drop headline-f120a725c487.json and headline-f120a725c487.json.ots onto opentimestamps.org, which checks the receipt against the Bitcoin block chain. Or, with the OpenTimestamps client and a Bitcoin node: ots verify headline-f120a725c487.json.ots (ots upgrade first while the receipt is pending).
3. Open the Wayback Machine's captures above: the capture of the record page shows this hash as it stood then, and the capture of the story page shows the newsroom's own page.

Sealed automatically, 1 min after it was first seen.