← the record

Proof: Haze in Singapore: PSI hits 170 in central region, a new high for 2026

The record — the exact bytes that were hashed

{"first_seen":"2026-10-09T01:11:33Z","headline":"Haze in Singapore: PSI hits 170 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-3f7d15716f91.json

SHA-256

3f7d15716f917d1cddf6505e3ae2960efedb4cfe421619a78b5f6b9e47c35620

OpenTimestamps

Confirmed in Bitcoin block 970563, mined 2026-10-09 01:27 UTC.

Download headline-3f7d15716f91.json.ots

Wayback Machine

• The record pageCaptured 2026-10-09 01:15 UTC — view the capture.
• The story pageCaptured 2026-10-08 22:43 UTC — view the capture.

Check it yourself — none of this needs this site

1. Hash the record: sha256sum headline-3f7d15716f91.json prints 3f7d15716f917d1cddf6505e3ae2960efedb4cfe421619a78b5f6b9e47c35620. Its first twelve characters are the end of this record's address.
2. Drop headline-3f7d15716f91.json and headline-3f7d15716f91.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-3f7d15716f91.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.