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Proof: Haze in Singapore: Air quality remains unhealthy for much of the island

The record — the exact bytes that were hashed

{"first_seen":"2026-10-05T22:50:47Z","headline":"Haze in Singapore: Air quality remains unhealthy for much of the island","kind":"front-page-headline","rank":1,"source":"straitstimes","url":"https://www.straitstimes.com/singapore/haze-in-singapore-air-quality-remains-unhealthy-for-much-of-the-island?ref=top-stories","v":1}

Download headline-e0a6256f138d.json

SHA-256

e0a6256f138d2ec2240e1a61977b13f6dfaba0d4cb7a04f5d6f7670244b0eb60

OpenTimestamps

Confirmed in Bitcoin block 970096, mined 2026-10-05 23:40 UTC.

Download headline-e0a6256f138d.json.ots

Wayback Machine

• The record pageCaptured 2026-10-05 22:52 UTC — view the capture.
• The story pageCaptured 2026-10-05 22:52 UTC — view the capture.

Check it yourself — none of this needs this site

1. Hash the record: sha256sum headline-e0a6256f138d.json prints e0a6256f138d2ec2240e1a61977b13f6dfaba0d4cb7a04f5d6f7670244b0eb60. Its first twelve characters are the end of this record's address.
2. Drop headline-e0a6256f138d.json and headline-e0a6256f138d.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-e0a6256f138d.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.