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Problem revision

How much water is stored in Earth's mantle and core?

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Record hash
b0e43c878f2b85cc17696e34ed08475bb2065578e508e1c83feeb396e54a6144
Content hash
7e99695eede0954cdf75db0008d712b7cc6f0b756bc0ee194b4b479513ce671c
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,306
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:02Z — the Bitcoin date is the one that counts