← the record

Proof: The mysterious Antarctic region that could lift sea levels by metres

The record — the exact bytes that were hashed

{"first_seen":"2026-09-30T01:02:36Z","headline":"The mysterious Antarctic region that could lift sea levels by metres","kind":"front-page-headline","rank":1,"source":"rnz","url":"https://www.rnz.co.nz/news/environment_climate/1659532/mysterious-antarctic-region-that-could-lift-sea-levels-by-several-metres-must-be-studied-researchers","v":1}

Download headline-2fe5a81ba16a.json

SHA-256

2fe5a81ba16a8fada68864258c693e68171fa574104546be1ca7159c0a9fd537

OpenTimestamps

Submitted to the OpenTimestamps calendars 2026-09-30 01:07 UTC; waiting for a Bitcoin block (usually a few hours).

Download headline-2fe5a81ba16a.json.ots

Wayback Machine

• The record pageCaptured 2026-09-30 01:10 UTC — view the capture.
• The story pageCaptured 2026-09-30 00:40 UTC — view the capture.

Check it yourself — none of this needs this site

1. Hash the record: sha256sum headline-2fe5a81ba16a.json prints 2fe5a81ba16a8fada68864258c693e68171fa574104546be1ca7159c0a9fd537. Its first twelve characters are the end of this record's address.
2. Drop headline-2fe5a81ba16a.json and headline-2fe5a81ba16a.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-2fe5a81ba16a.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.