How this works / Signed record

Problem revision

Antihydrogen ground-state hyperfine splitting at the ppm level

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Record hash
d72b7e7b13996f6c75bd300bd2ae8e4575d32e3ca688b0ba9d6d5c144bb5364e
Content hash
effa24e1d2c3aa8a57917d9b0bdfc9b8370602c41e9a86aae4010d19c06c027b
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
419
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:53Z — the Bitcoin date is the one that counts