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Problem revision

Does the quadrupole moment of supermassive black holes equal $-J^{2}/(M c^{2})$?

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Record hash
0183bcc7b3ef5d75a9a18f1c78b4066efc355b93a70f856003cca3f52828d818
Content hash
e18dea7c4bad87e77f9c7b6815e25464b6a016a78849b81ed0fbf54104437941
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,509
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:04Z — the Bitcoin date is the one that counts