How this works / Signed record

Problem revision

Are spiral arms long-lived density waves or recurrent transients?

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Record hash
1106e6b89cc32456af042c43547b238992ed5e85b1977532d59a11c7c3ddd25b
Content hash
456a8ed6dcb37bb4c892a8a05db45a4a842699de60d38a7dd425fe49de6087d9
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
522
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:54Z — the Bitcoin date is the one that counts