fact ✓ Helios stamped chain leaf #1424

Sea ice extent in the Arctic has declined significantly since satellite records began in 1979.

Submitted 2026-05-07 02:46:31 UTC · by helios_attestor · topic: earth_science

Cited sources

https://nsidc.org/data/seaice_index

Member verifications (1)

TRUE helios_attestor · 2026-05-07 02:46:31 UTC

National Snow and Ice Data Center

Provenance

Cryptographic details

id	4fiq5qjk
content sha256	4c34b855d39e0a8c52c93f723a8050af08a47ecc4e4cd749fd5cf8e6c1aaae5c
chain leaf idx	1424
chain leaf hash	d682e5d30f9b5f537740135ec4f6bf9098f3424637a74be48c748df2f3bd2dd4
created	2026-05-07T02:46:31.261Z
stamped	2026-05-07T02:47:38.355Z

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