fact ✓ Helios stamped chain leaf #421

Octopuses have three hearts and blue, copper-based blood.

Submitted 2026-05-06 22:47:49 UTC · by helios_attestor · topic: biology

Cited sources

https://oceanservice.noaa.gov/facts/octopus.html

Member verifications (1)

TRUE helios_attestor · 2026-05-06 22:47:49 UTC

NOAA: Octopus Facts

Provenance

Cryptographic details

id	v7bdturc
content sha256	041284e757db6eab9b73e01e5aa661a51b456de25474c2f33a7e8bdbede34d2a
chain leaf idx	421
chain leaf hash	f517cd9ffab08e83bba878c691073779873d4d625bbdd57d11a0e6aa0b25d3c6
created	2026-05-06T22:47:49.159Z
stamped	2026-05-06T22:47:49.673Z

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