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Proof: Scientists exposed a Wisconsin forest to extra CO₂ for 11 years; productivity rose 39%, but ozone cut gains

The record — the exact bytes that were hashed

{"first_seen":"2026-09-06T06:30:09Z","headline":"Scientists exposed a Wisconsin forest to extra CO₂ for 11 years; productivity rose 39%, but ozone cut gains","kind":"front-page-headline","rank":1,"source":"timesofindia","url":"https://timesofindia.indiatimes.com/science/scientists-altered-the-air-around-a-wisconsin-forest-for-11-years-extra-co2-drove-39-more-productivity-but-ozone-reversed-part-of-the-gain/articleshow/133796967.cms","v":1}

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1ee6f326a1fef1b55a6a15d76dcc230a251f09ef68592964000b15ae037451b6

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-1ee6f326a1fe.json prints 1ee6f326a1fef1b55a6a15d76dcc230a251f09ef68592964000b15ae037451b6. 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.