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Proof: In 1990, mining stopped at a 55-metre-deep Swedish limestone quarry; a year later...

The record — the exact bytes that were hashed

{"first_seen":"2026-09-15T02:02:01Z","headline":"In 1990, mining stopped at a 55-metre-deep Swedish limestone quarry; a year later...","kind":"front-page-headline","rank":1,"source":"timesofindia","url":"https://timesofindia.indiatimes.com/world/rest-of-world/in-1990-mining-stopped-at-a-55-metre-deep-swedish-limestone-quarry-a-year-later-an-opera-singer-discovered-its-remarkable-natural-sound-and-it-became-dalhalla-now-drawing-100000-visitors-each-summer/articleshow/134246996.cms","v":1}

Download headline-ad8d239c68b0.json

SHA-256

ad8d239c68b057fd2b5c1bd4f8682e6c83b99953d967e9c7fe93594bd87bb82c

OpenTimestamps

Not sealed.

Wayback Machine

• The record pageNot sealed — no capture of this page was requested.
• The story pageNot sealed — no capture of the story page was requested.

Check it yourself — none of this needs this site

1. Hash the record: sha256sum headline-ad8d239c68b0.json prints ad8d239c68b057fd2b5c1bd4f8682e6c83b99953d967e9c7fe93594bd87bb82c. Its first twelve characters are the end of this record's address.
2. There is no OpenTimestamps receipt for this record yet.
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.

This headline has not been sealed. Headlines are sealed automatically within minutes of first being seen; older ones are sealed on request, and are then marked as a backfill.