Sealed on Base.
This receipt hash matches the stored payload and has a Base transaction attached.
StatusSealed
Stored hash0xc2121f...e97e20
Recomputed hash0xc2121f...e97e20
Versionfp-receipt-v1
Content hash
0xc2121f2241c33b26009831811022786ae6200e758c6ec9f9013d5e2222e97e20Base transaction0x05e0058dcbff4096522dd16d3567e94563ffe20159f3c96e2a71fc976650ca62Sealed 6/24/2026, 6:57:04 AM
What this proves
The hash proves this receipt content matches the stored seal payload. Once a Base transaction is attached, it proves the hash existed at that onchain timestamp. It does not prove the claim is true by itself.
Canonical payload
{"canonicalPath":"/v/the-ozone-layer-is-healing-iyk27","receipt":{"challengePrompt":"Counter-check this FactPage result with evidence that CFC phaseouts did not reduce ozone-depleting chemicals or that the ozone layer is not recovering.","claim":"The ozone layer is healing because countries phased out many CFC chemicals.","confidence":"High","createdAt":"2026-06-18T11:10:19.388Z","kicker":"The claim matches the public scientific consensus.","paidAt":"2026-06-18T11:10:19.385Z","reasons":[{"body":"The Montreal Protocol and its later amendments required countries to phase out production and consumption of major ozone-depleting substances, including many CFCs. That treaty is widely credited as the central policy fix","stance":"supports","title":"Global CFC phaseouts happened"},{"body":"Scientific assessments report that atmospheric levels of key ozone-depleting chlorine and bromine chemicals have declined after the controls. That is the mechanism expected to let stratospheric ozone rebuild.","stance":"supports","title":"Ozone-depleting chemicals fell"},{"body":"UN and scientific assessments say the ozone layer is on track to recover over coming decades, with different recovery dates by region. It is healing, but it is not fully repaired yet.","stance":"context","title":"Recovery is real but slow"}],"score":95,"shareLine":"FactPage check: TRUE — the ozone layer is healing, and the phaseout of many CFCs under the Montreal Protocol is the main reason.","slug":"the-ozone-layer-is-healing-iyk27","sources":[{"publisher":"UNEP Ozone Secretariat","title":"Montreal Protocol","url":"https://ozone.unep.org/treaties/montreal-protocol","usedFor":"Primary treaty record for global controls on CFCs and other ozone-depleting substances."},{"publisher":"UNEP","title":"Ozone layer on track to recover","url":"https://www.unep.org/news-and-stories/press-release/ozone-layer-track-recover-within-four-decades","usedFor":"UN summary of the scientific assessment finding ozone recovery is on track."},{"publisher":"NASA Goddard","title":"Ozone Watch","url":"https://ozonewatch.gsfc.nasa.gov/","usedFor":"Public scientific monitoring of the ozone layer and Antarctic ozone hole."}],"summary":"Countries did phase out many CFCs through the Montreal Protocol, and public scientific assessments link those cuts to falling ozone-depleting chemicals and gradual ozone recovery. The ozone layer is improving, though full recovery is expected to take decades.","vaultCategory":"Internet","verdict":"TRUE"},"type":"factpage.receipt","version":"fp-receipt-v1"}