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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":"2026-09-06T05:40:06Z","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}

Download headline-1de343c03d16.json

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1de343c03d16ced79ead7a6d8f8d1212c0243e458235549a4b8e38d9ed84f11d

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-1de343c03d16.json prints 1de343c03d16ced79ead7a6d8f8d1212c0243e458235549a4b8e38d9ed84f11d. 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.