Sealed on Base.

{"canonicalPath":"/v/mount-everest-is-the-tallest-c0ndw","receipt":{"challengePrompt":"To overturn this result, bring a current geodetic source showing another mountain is higher above mean sea level.","claim":"Mount Everest is the tallest mountain above sea level.","confidence":"High","createdAt":"2026-06-19T15:50:25.759Z","kicker":"Everest is tallest above sea level.","paidAt":"2026-06-19T15:50:25.777Z","reasons":[{"body":"The claim says above sea level, which is the standard that puts Everest first.","stance":"supports","title":"The measurement matches the claim"},{"body":"Mauna Kea and Chimborazo are relevant caveats, but they use base-to-peak or Earth-center measures.","stance":"context","title":"Other rankings are different metrics"},{"body":"Educational and reference sources consistently identify Everest as the highest above sea level.","stance":"supports","title":"Public references agree"}],"score":95,"shareLine":"FactPage check: TRUE. Mount Everest is the tallest mountain above sea level, with different rankings under other measurement methods.","slug":"mount-everest-is-the-tallest-c0ndw","sources":[{"publisher":"National Geographic Education","snippet":"National Geographic describes Mount Everest as the highest point on Earth above sea level.","title":"Mount Everest","url":"https://education.nationalgeographic.org/resource/mount-everest/","usedFor":"Educational reference for the above-sea-level ranking."},{"publisher":"NOAA Ocean Service","snippet":"NOAA identifies Mount Everest as the highest point above sea level.","title":"What is the highest point on Earth?","url":"https://oceanservice.noaa.gov/facts/highestpoint.html","usedFor":"Federal science reference for the above-sea-level ranking."},{"publisher":"Guinness World Records","snippet":"Guinness records Everest as the tallest mountain by height above sea level.","title":"Tallest mountain","url":"https://www.guinnessworldrecords.com/world-records/tallest-mountain","usedFor":"Independent record reference for Everest's ranking."}],"summary":"Mount Everest is widely identified as Earth's highest mountain above sea level. The caveat is that other mountains can be taller by base-to-peak or distance from Earth's center.","vaultCategory":"Science","verdict":"TRUE"},"type":"factpage.receipt","version":"fp-receipt-v1"}