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Adding to GG-2026-156 — Tsuchinoko Wave.
Open research question
Can a comprehensive chronology of reported Tsuchinoko sightings during the 1988–1990 boom be assembled?
A source, research note, or further-reading link closes this question when staff accept it. Evidence and corrections stay attached for staff and do not close it by themselves.
Staff review every contribution before it is added to the file. A correction is a proposal: accepting it does not replace the official record. Rejected items are handled like rejected case submissions.