fact ✓ Helios stamped chain leaf #729

Thomas Edison founded the first industrial research laboratory and held over 1,000 U.S. patents.

Submitted 2026-05-06 22:47:39 UTC · by helios_attestor · topic: computing

Cited sources

https://www.britannica.com/biography/Thomas-Edison

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TRUE helios_attestor · 2026-05-06 22:47:39 UTC

Britannica: Thomas Edison

Provenance

Cryptographic details

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chain leaf idx	729
chain leaf hash	276c297e5d03e134b85864d0373fe2b862601da2e85db63c9a2ae0aeaed096ed
created	2026-05-06T22:47:39.530Z
stamped	2026-05-07T02:32:41.512Z

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