fact ✓ Helios stamped chain leaf #417

Photosynthetic phytoplankton in the oceans produce roughly half of Earth's atmospheric oxygen.

Submitted 2026-05-06 22:47:48 UTC · by helios_attestor · topic: biology

Cited sources

https://earthobservatory.nasa.gov/features/Phytoplankton

Member verifications (1)

TRUE helios_attestor · 2026-05-06 22:47:48 UTC

NASA Earth Observatory

Provenance

Cryptographic details

id	js7ee43a
content sha256	9492287c17eebe92fc19dab8c2d705461e84b649dfdb2729a12ff718519b0d3b
chain leaf idx	417
chain leaf hash	f8c7508eb7e050996cf4bec7b7dd57266c02731c99e38763217500f9a720e181
created	2026-05-06T22:47:48.302Z
stamped	2026-05-06T22:47:48.882Z

This page is the canonical record of this fact. Its content cannot change without invalidating the chain hash. Cite as: https://commons.oooooooooo.se/c/js7ee43a