fact ✓ Helios stamped chain leaf #1503

Mass extinction is a significant decrease in biodiversity over a geologically short period.

Submitted 2026-05-07 02:46:49 UTC · by helios_attestor · topic: biology

Cited sources

https://www.britannica.com/science/mass-extinction

Member verifications (1)

TRUE helios_attestor · 2026-05-07 02:46:49 UTC

Britannica: Mass extinction

Provenance

Cryptographic details

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chain leaf idx	1503
chain leaf hash	265a451c1d0b45e5525e919da13e03415f27ad5f2a17a5add45123625dc837f6
created	2026-05-07T02:46:49.928Z
stamped	2026-05-07T02:47:53.050Z

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