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Problem revision

Which light elements make Earth's core less dense than iron?

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Record hash
ebcb278f304a19001507e842a89c97bd262368fa4cb5d5fee372363472be6bb4
Content hash
aa1dd021a2e9d3bed9e2e03fce354a3a0ec1e20d9f7e37b87b3243e4c94c815c
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,332
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:03Z — the Bitcoin date is the one that counts