Hyperlocal AI fact-checking

Check what you heard.
Before it spreads.

Signal verifies or debunks local rumors on a live neighborhood map. Real sources, transparent reasoning.

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The tap water at Doherty High is contaminated and unsafe to drink.

Snopes and PolitiFact check the headlines. Signal checks your block.

A rumor in the group chat is already half-believed.

Every group chat and neighborhood feed carries unverified claims. The problem is not that people are gullible. It is that there has never been a fast, local way to check before fear takes over.

The water at our school is contaminated.

Mass parental panic and a drop in attendance, over a photo of routine pipe work.

ICE is at the mall on 5th Street.

Fear spreads through immigrant communities whether or not it is true.

That shelter closed last week.

People skip support they could have used, because nobody checked.

There was a shooting near the park.

A whole neighborhood locks down over a single unverified post.

From a claim to a verdict in seconds.

01

Submit

Type it, speak it, or paste a forwarded message. Signal ties the claim to your location.

02

Search

Claude searches credible local and national sources in real time, weighing who to trust.

03

Decide

One clear verdict and a confidence score: Verified, Misleading, Unverified, or False.

04

Show the work

Every source and every reasoning step is laid out in the open, so you can judge for yourself.

A living map of what your community is hearing.

When a rumor is submitted, a pin appears on your zip-code map. As Signal verifies or debunks it, the pin changes color in real time. Everyone watching sees a red rumor turn gray the moment the evidence lands.

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The status system

  • FalseContradicted by credible sources
  • MisleadingPartly true or missing key context
  • UnverifiedNot enough evidence to decide
  • VerifiedConfirmed by credible sources
  • PendingSignal is analyzing this claim

It never just says “false.” It shows you why.

A verdict you cannot inspect is just another rumor. Signal lays out the reasoning and the sources behind every call.

  • Local government, official school notices, and verified news are weighted highest.
  • When the evidence is not there, Signal says so instead of guessing.
  • Every verdict is written in plain language a worried parent can read in seconds.
  • Signal never invents a source. If a search finds nothing, the claim stays unverified.
False91% confidence

The tap water at Doherty Memorial High is contaminated and unsafe to drink.

No. Worcester's public water utility and the school district both confirmed the water passed all recent safety tests. The rumor started from a photo of routine pipe maintenance in a hallway.

What to do

The water is safe to drink. You can let other parents know this rumor is false — share the official school notice if it helps.

  1. 1

    Checked the Worcester Public Schools notice

    The district posted a same-day notice saying water testing was routine and results were within safe limits.

  2. 2

    Cross-checked the DCR/Worcester water utility

    The utility's latest quality report for this zip code shows no contamination advisories.

  3. 3

    Traced the original photo

    The viral image showed scheduled pipe maintenance, not a contamination event.

Doherty Memorial High — WorcesterAnalyzed 37m ago · sample verdict

Built for the people misinformation hurts most.

Local rumors hit students, immigrant families, and low-income communities the hardest, and those communities have the fewest tools to fight back. Signal is for them.

Where Signal goes next

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Community moderation

Trusted neighbors flag low-quality claims before analysis.

Truth at the speed of a rumor.

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