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Proof: Haze in Singapore: PSI hits 173 in central region, a new high for 2026;

The record — the exact bytes that were hashed

{"first_seen":"2026-10-09T02:51:43Z","headline":"Haze in Singapore: PSI hits 173 in central region, a new high for 2026;","kind":"front-page-headline","rank":1,"source":"straitstimes","url":"https://www.straitstimes.com/singapore/haze-in-singapore-air-quality-across-island-remains-unhealthy-overnight?ref=top-stories","v":1}

Download headline-552f6b3cb1ba.json

SHA-256

552f6b3cb1ba9623310236de3dc22b4dfefdbe407e38a374069ce222039b1d2b

OpenTimestamps

Confirmed in Bitcoin block 970577, mined 2026-10-09 03:34 UTC.

Download headline-552f6b3cb1ba.json.ots

Wayback Machine

• The record pageCaptured 2026-10-09 02:53 UTC — view the capture.
• The story pageCaptured 2026-10-09 02:53 UTC — view the capture.

Check it yourself — none of this needs this site

1. Hash the record: sha256sum headline-552f6b3cb1ba.json prints 552f6b3cb1ba9623310236de3dc22b4dfefdbe407e38a374069ce222039b1d2b. Its first twelve characters are the end of this record's address.
2. Drop headline-552f6b3cb1ba.json and headline-552f6b3cb1ba.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-552f6b3cb1ba.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, 1 min after it was first seen.