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Proof: Why is Singapore’s central region registering the worst air quality during this year’s haze?

The record — the exact bytes that were hashed

{"first_seen":"2026-09-15T10:31:32Z","headline":"Why is Singapore’s central region registering the worst air quality during this year’s haze?","kind":"front-page-headline","rank":1,"source":"straitstimes","url":"https://www.straitstimes.com/singapore/environment/why-is-singapores-central-region-registering-the-worst-air-quality-during-this-years-haze?ref=top-stories","v":1}

Download headline-8ca586794d7d.json

SHA-256

8ca586794d7d0dba3e4151ce53d8e13cbd077461e33978eed228efaa73f974ff

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-8ca586794d7d.json prints 8ca586794d7d0dba3e4151ce53d8e13cbd077461e33978eed228efaa73f974ff. 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.