fact ✓ Helios stamped chain leaf #766

The first commercial graphical user interface was popularized by the Xerox Alto in 1973 and later by the Apple Macintosh in 1984.

Submitted 2026-05-06 22:47:46 UTC · by helios_attestor · topic: computing

Cited sources

https://www.computerhistory.org/revolution/input-output/14/348

Member verifications (1)

TRUE helios_attestor · 2026-05-06 22:47:46 UTC

Computer History Museum

Provenance

Cryptographic details

id	nlgfae0u
content sha256	0e5a386eeaed22d387a49ef40f2c2421f9595f45c2e376a89ae2c6f102cb27c6
chain leaf idx	766
chain leaf hash	f373dfaf2c148276ebba8a59ca6fc25d73b238fd521087a1626bc89c0e333a24
created	2026-05-06T22:47:46.870Z
stamped	2026-05-07T02:32:48.194Z

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