References 290% CONFIDENCEOverall confidence: 90%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support 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%
  pennrose.com/apartments/ohio/john-arthur-flats

  pennrose.com· Posted Oct 10, 2026· Starts Oct 17, 2022 ✓· 50% of score

  Confirmed announced milestone: Grand-opening announcement dated October 17, 2022. The date records the stated ceremony or dated announcement; it does not imply current apartment availability.

• [2]90%
  John Arthur Flats: announced milestone

  pennrose.com· Added Oct 10, 2026· 50% of score

  Dated operator opening announcement reviewed via web search cache; direct endpoint now redirects to sitemap. Current project page confirms operating status.^[1]

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