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Proof: PSI in central Singapore rises to 115 as air quality in east and west also hits unhealthy range

The record — the exact bytes that were hashed

{"first_seen":"2026-09-14T08:30:21Z","headline":"PSI in central Singapore rises to 115 as air quality in east and west also hits unhealthy range","kind":"front-page-headline","rank":1,"source":"straitstimes","url":"https://www.straitstimes.com/singapore/air-quality-in-singapores-central-region-back-in-unhealthy-range-as-psi-hits-102?ref=top-stories","v":1}

Download headline-9e97680f62ce.json

SHA-256

9e97680f62ceb5be470fbceb0591436233d1878faf37115d5325b3332b827d32

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-9e97680f62ce.json prints 9e97680f62ceb5be470fbceb0591436233d1878faf37115d5325b3332b827d32. 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.