References 390% CONFIDENCEOverall confidence: 90%How well the pin's source and references back up its dates.Weighted average of how firmly 3 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%
  Witherby: published venue information and specials

  opentable.com· Posted Oct 29, 2026· Starts May 16, 2025 ✓· 33% of score

  Branch-specific opening date reported by the cited source.

• [2]90%
  WORKING IN THE CITY: Witherby at The Beau Hotel

  thesandiegosun.com· Added Oct 29, 2026· 33% of score

  Branch-specific opening date reported by the cited source. Source excerpt: “Witherby opened May 16, 2025.”^[1]

• [3]90%
  Witherby: published venue information and specials

  thebeauhotel.com· Added Oct 29, 2026· 33% of score

  Preserved branch-specific specials research, checked 2026-10-11.^[1]

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