← the record

Proof: China breakthrough may push sustainable jet fuel gross profit margin past 50%

The record — the exact bytes that were hashed

{"first_seen":"2026-10-08T22:12:57Z","headline":"China breakthrough may push sustainable jet fuel gross profit margin past 50%","kind":"front-page-headline","rank":1,"source":"scmp","url":"https://www.scmp.com/news/china/science/article/3370144/china-breakthrough-projected-push-sustainable-jet-fuel-gross-profit-margin-past-50?module=top_story&pgtype=homepage","v":1}

Download headline-370710758d3a.json

SHA-256

370710758d3a0de0d741c854b35cf433e224f03d290f38edbe5b77189e256d46

OpenTimestamps

Confirmed in Bitcoin block 970545, mined 2026-10-08 23:41 UTC.

Download headline-370710758d3a.json.ots

Wayback Machine

• The record pageCaptured 2026-10-08 22:17 UTC — view the capture.
• The story pageCaptured 2026-10-08 22:18 UTC — view the capture.

Check it yourself — none of this needs this site

1. Hash the record: sha256sum headline-370710758d3a.json prints 370710758d3a0de0d741c854b35cf433e224f03d290f38edbe5b77189e256d46. Its first twelve characters are the end of this record's address.
2. Drop headline-370710758d3a.json and headline-370710758d3a.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-370710758d3a.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.