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Proof: Air quality in Singapore’s central region back in unhealthy range as PSI hits 102

The record — the exact bytes that were hashed

{"first_seen":"2026-09-14T04:10:44Z","headline":"Air quality in Singapore’s central region back in unhealthy range as PSI hits 102","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-caa0c092ff58.json

SHA-256

caa0c092ff58f3bfcba5aa27d8d69b370783cfb7747aa58ab1462cb1177b29d0

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-caa0c092ff58.json prints caa0c092ff58f3bfcba5aa27d8d69b370783cfb7747aa58ab1462cb1177b29d0. 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.