Audit trail / Prediction cc0c1640
Every state change we record for this receipt, in order. Published prediction substance is immutable; if a correction was needed it appears here with the reason.
“The Nancy Grace Roman Telescope will arrive at the Sun–Earth L2 point by 2026-12-31.”Neil deGrasse Tyson
Admin approved & published
ADMIN · 2026-09-08 15:42 UTC
Approve with editorial widening: source said "Early December" — widened deadline to end of December to avoid inventing precision (2026-12-10 was model interpolation).