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Proof: US and Denmark reach security deal after Trump’s threats to take island

The record — the exact bytes that were hashed

{"first_seen":"2026-09-18T23:10:59Z","headline":"US and Denmark reach security deal after Trump’s threats to take island","kind":"front-page-headline","rank":1,"source":"guardian","url":"https://www.theguardian.com/world/2026/sep/18/united-states-denmark-greenland-security","v":1}

Download headline-8c17e7503e7f.json

SHA-256

8c17e7503e7f8f8ef024a8611f96a00f71c572994743ed23d31496dd99fa5571

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-8c17e7503e7f.json prints 8c17e7503e7f8f8ef024a8611f96a00f71c572994743ed23d31496dd99fa5571. 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.