References 190% CONFIDENCEOverall confidence: 90%How well the pin's source and references back up its dates.Weighted average of how firmly 1 reference, the source included, supports the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

• [1]90%
  prtimes.jp/main/html/rd/p/000000010.000035415.html

  prtimes.jp· Posted Oct 14, 2026· Starts Oct 16, 2026 ✓· 100% of score

  Exact opening date published by the operator; checked October 9, 2026.

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