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Problem revision

What atoms tunnel in the two-level systems of amorphous silica?

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Record hash
a66cd1c635e55e1c596798193e37a822aa65f54c099d89d28d965bebc120f930
Content hash
575f1ed54d028aa329fb13ce9af601b4dfd276bc210f1ad665ee24cacc8ece84
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
906
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:58Z — the Bitcoin date is the one that counts