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Proof: Security experts call for inquiry into Havana Syndrome cases at Canada’s embassy in Cuba

The record — the exact bytes that were hashed

{"first_seen":"2026-09-28T09:23:03Z","headline":"Security experts call for inquiry into Havana Syndrome cases at Canada’s embassy in Cuba","kind":"front-page-headline","rank":1,"source":"globeandmail","url":"https://www.theglobeandmail.com/politics/article-havana-syndrome-illnesses-canada-embassy-cuba-september-28/","v":1}

Download headline-ce81e45064b5.json

SHA-256

ce81e45064b5376b7ddee956bfdb05eb0f6c7bfaebf2a7d7947e7abc06ea9555

OpenTimestamps

Confirmed in Bitcoin block 968974, mined 2026-09-28 09:29 UTC.

Download headline-ce81e45064b5.json.ots

Wayback Machine

• The record pageCaptured 2026-09-28 09:27 UTC — view the capture.
• The story pageCaptured 2026-09-28 09:43 UTC — view the capture.

Check it yourself — none of this needs this site

1. Hash the record: sha256sum headline-ce81e45064b5.json prints ce81e45064b5376b7ddee956bfdb05eb0f6c7bfaebf2a7d7947e7abc06ea9555. Its first twelve characters are the end of this record's address.
2. Drop headline-ce81e45064b5.json and headline-ce81e45064b5.json.ots onto opentimestamps.org, which checks the receipt against the Bitcoin block chain. Or, with the OpenTimestamps client and a Bitcoin node: ots verify headline-ce81e45064b5.json.ots (ots upgrade first while the receipt is pending).
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.

Sealed automatically, 4 min after it was first seen.