FactPage

Onchain seal

Sealed on Base.

This receipt hash matches the stored payload and has a Base transaction attached.

StatusSealed
Stored hash0xa0b808...250192
Recomputed hash0xa0b808...250192
Versionfp-receipt-v1
Content hash0xa0b8080d646291917228cf54e6b9178f3595ab3d7c0817f04c640efdf6250192
Base transaction0x4357f1754faa2f75377e429edde40101ac83af097fe413f8f244366f7c0ac16eSealed 6/24/2026, 6:57:02 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/there-is-a-large-concentration-vddgq","receipt":{"challengePrompt":"Have newer surveys or official agencies disputed that a debris concentration exists in the North Pacific Subtropical Gyre?","claim":"There is a large concentration of plastic debris called the Great Pacific Garbage Patch.","confidence":"High","createdAt":"2026-06-18T11:10:37.575Z","kicker":"The Great Pacific Garbage Patch is real, but it is not a solid island of trash.","paidAt":"2026-06-18T11:10:37.573Z","reasons":[{"body":"NOAA and other marine-debris authorities describe garbage patches as areas where ocean currents concentrate floating debris. The best-known one is in the North Pacific Subtropical Gyre.","stance":"supports","title":"Official agencies describe the patch"},{"body":"Peer-reviewed surveys have measured unusually high plastic loads in the region. A 2018 Scientific Reports study estimated the Great Pacific Garbage Patch contained about 79,000 metric tons of plastic across a very large,","stance":"supports","title":"Field surveys measured heavy plastic debris"},{"body":"The claim is accurate as stated, but common images can mislead. The patch is mostly dispersed plastic pieces and microplastics, not a walkable island or continuous mat of trash.","stance":"context","title":"It is a dispersed concentration, not an island"}],"score":95,"shareLine":"FactPage check: TRUE — There is a large concentration of plastic debris known as the Great Pacific Garbage Patch, though it is dispersed rather than a solid trash island.","slug":"there-is-a-large-concentration-vddgq","sources":[{"publisher":"NOAA Marine Debris Program","title":"Garbage Patches","url":"https://marinedebris.noaa.gov/info/patch.html","usedFor":"Official explanation of garbage patches and the North Pacific example."},{"publisher":"Scientific Reports","title":"Evidence that the Great Pacific Garbage Patch is rapidly accumulating plastic","url":"https://www.nature.com/articles/s41598-018-22939-w","usedFor":"Peer-reviewed survey and mass estimate for plastic in the patch."},{"publisher":"National Geographic","title":"Great Pacific Garbage Patch","url":"https://education.nationalgeographic.org/resource/great-pacific-garbage-patch/","usedFor":"Plain-language description and context that the patch is not a solid island."}],"summary":"The claim is strongly supported. Public agencies and scientific surveys identify the Great Pacific Garbage Patch as a large area of concentrated floating plastic debris in the North Pacific. The main caveat is that it is spread out and often hard to see from the surface, not a single island of trash.","vaultCategory":"Internet","verdict":"TRUE"},"type":"factpage.receipt","version":"fp-receipt-v1"}