← the record

Proof: 1st public insurance-covered iPS heart sheet surgery conducted in Japan

The record — the exact bytes that were hashed

{"first_seen":"2026-09-30T01:31:33Z","headline":"1st public insurance-covered iPS heart sheet surgery conducted in Japan","kind":"front-page-headline","rank":1,"source":"kyodo","url":"https://english.kyodonews.net/articles/-/86694","v":1}

Download headline-e09502d9757e.json

SHA-256

e09502d9757e41b1e15ea02e9994728a0cfae3ad7e9f64fa4bfa0afa00cfeea6

OpenTimestamps

Submitted to the OpenTimestamps calendars 2026-09-30 01:32 UTC; waiting for a Bitcoin block (usually a few hours).

Download headline-e09502d9757e.json.ots

Wayback Machine

• The record pageCaptured 2026-09-30 01:41 UTC — view the capture.
• The story pageCaptured 2026-09-30 02:02 UTC — view the capture.

Check it yourself — none of this needs this site

1. Hash the record: sha256sum headline-e09502d9757e.json prints e09502d9757e41b1e15ea02e9994728a0cfae3ad7e9f64fa4bfa0afa00cfeea6. Its first twelve characters are the end of this record's address.
2. Drop headline-e09502d9757e.json and headline-e09502d9757e.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-e09502d9757e.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.