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Proof: Mamdani releases undisclosed 9/11 files showing New Yorkers were not told the truth about air quality at Ground Zero

The record — the exact bytes that were hashed

{"first_seen":"2026-09-08T14:10:49Z","headline":"Mamdani releases undisclosed 9/11 files showing New Yorkers were not told the truth about air quality at Ground Zero","kind":"front-page-headline","rank":1,"source":"independent","url":"https://www.independent.co.uk/news/world/americas/911-air-quality-report-mamdani-ground-zero-b3046630.html","v":1}

Download headline-c0bf043f9c6a.json

SHA-256

c0bf043f9c6ae68b2df9d348ed3c69145135d6775e249c9d453eecd5fcba3495

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-c0bf043f9c6a.json prints c0bf043f9c6ae68b2df9d348ed3c69145135d6775e249c9d453eecd5fcba3495. 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.