What ProofTTL is
A source-backed verification service for specific factual claims. The service is useful when a claim is about to be published, sold, presented, relied on, or defended.
Fact AuditStart audit
PROOFTTL / VERIFICATION SERVICES
Bring the risky claim. Get the source-backed answer.
ProofTTL is a claim verification and fact-checking service for factual assertions that need to survive scrutiny. We check scoped claims against public primary sources and return explicit verdicts, evidence, and human-approved proof artifacts.
Keep public evidence current. From $49/month.
10, 30, or 100 claims. Daily public-source checks, dashboard change alerts, and 30-day history. Automated text observations preserve UNKNOWN; they do not certify truth.
Need human review? Request the separate $1,500 Fact Audit. Scope and reviewer availability are confirmed before payment.
Verify the AI claim before it becomes your problem.
Verify consequential AI-generated factual claims against accessible public evidence with the $1,500 ProofTTL Fact Audit.
AI OUTPUT FACT-CHECKINGTurn AI-written output into claims you can defend.
Fact-check AI-written reports, briefs, sales copy, research, and answers with source-backed verdicts through the $1,500 Fact Audit.
AI HALLUCINATION CHECKINGDo not score the vibe. Verify the claim that matters.
Check suspicious or high-consequence AI claims against public evidence instead of relying on a generic hallucination score.
PRE-PUBLICATION FACT-CHECKINGFind the expensive correction before your audience does.
Check consequential factual claims before an article, report, pitch, website, launch, or public statement goes live.
MARKETING CLAIM VERIFICATIONMake the claim persuasive without making it indefensible.
Verify factual marketing, product, comparison, performance, and company claims before campaigns or sales material go live.
STARTUP CLAIM VERIFICATIONPressure-test the sentence an investor or customer is most likely to challenge.
Pressure-test startup market, competitor, product, and industry claims before a pitch, launch, investor meeting, or diligence process.
DUE DILIGENCE CLAIM VERIFICATIONVerify the public claim before you let it into the decision.
Independently check selected public factual claims in vendor, partner, acquisition, investment, or procurement diligence.
RESEARCH CLAIM VERIFICATIONKeep the citation attached to the claim it actually supports.
Check factual assertions, statistics, dates, product facts, and source-backed statements in research before they are cited or delivered.
WEBSITE CLAIM AUDITAudit the facts your website keeps repeating after everyone forgets where they came from.
Audit factual claims on a website, landing page, product page, pricing page, or company profile against current public evidence.
SOURCE-BACKED FACT CHECKINGA verdict is only useful when the evidence is inspectable.
Get explicit factual verdicts tied to inspectable public evidence through the $1,500 ProofTTL Fact Audit.
What ProofTTL is not
It is not a generic “truth score,” a legal opinion, or a promise that a fact will remain true forever. If the examined evidence is insufficient, the verdict remains UNKNOWN.