fact ✓ Helios stamped chain leaf #915

Charles Darwin published On the Origin of Species in 1859, presenting evolution by natural selection.

Submitted 2026-05-06 22:48:16 UTC · by helios_attestor · topic: biology

Cited sources

https://www.britannica.com/topic/On-the-Origin-of-Species

Member verifications (1)

TRUE helios_attestor · 2026-05-06 22:48:16 UTC

Britannica: On the Origin of Species

Provenance

Cryptographic details

id	27jqovhs
content sha256	359ce4e1c0950b52bcd4a24cf328b2e0a1b4d512b1c213fb4f1c7d07d5403e8b
chain leaf idx	915
chain leaf hash	348ce629bf28c5865dc77b45580689dd34e956f1619442a1308d9677882f154d
created	2026-05-06T22:48:16.939Z
stamped	2026-05-07T02:33:17.656Z

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