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Proof: Poland’s Tusk heads to Kyiv after warning of Russian strikes on Ukrainian allies

The record — the exact bytes that were hashed

{"first_seen":"2026-09-18T06:31:18Z","headline":"Poland’s Tusk heads to Kyiv after warning of Russian strikes on Ukrainian allies","kind":"front-page-headline","rank":1,"source":"guardian","url":"https://www.theguardian.com/world/2026/sep/18/ukraine-war-briefing-poland-warns-russian-strikes-kyiv-allies","v":1}

Download headline-40eb1cfd1054.json

SHA-256

40eb1cfd1054d3d14adfc5c1a90dcb89bad442800ef72b388d6bd217f5a4e87e

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-40eb1cfd1054.json prints 40eb1cfd1054d3d14adfc5c1a90dcb89bad442800ef72b388d6bd217f5a4e87e. 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.