dd-verification
ResearchVerify claims in pitch decks and founder statements using multiple independent sources. Use when analyzing any claim about market size, traction, team background, or competitive positioning.
How to use this skill
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Claim Verification Methodology
When analyzing claims from pitch decks, founder statements, or company materials, follow this rigorous verification process.
Verification Levels
Assign one of these confidence levels to every claim:
| Level | Definition | Requirements |
|---|---|---|
| VERIFIED | Confirmed via 2+ independent sources | Multiple credible sources agree |
| PARTIALLY VERIFIED | Some evidence supports, gaps remain | One credible source + logical consistency |
| UNVERIFIED | Cannot confirm with available data | No independent sources found |
| CONTRADICTED | Evidence conflicts with claim | Sources disagree with stated claim |
Verification Process
1. Identify the Claim
Extract the specific, testable assertion:
- ❌ "We're growing fast" (vague)
- ✅ "We grew 300% YoY in 2024" (specific, testable)
2. Find Independent Sources
Never rely solely on company-provided materials. Seek:
- Public filings (SEC, state records)
- Third-party data providers (Crunchbase, PitchBook, LinkedIn)
- Press coverage (with dates)
- Customer reviews and testimonials
- Industry reports from analysts
3. Cross-Reference
Compare across sources:
- Do numbers align within reasonable variance (±10%)?
- Are timelines consistent?
- Do different sources tell the same story?
4. Document Everything
For each verified claim, record:
{
"claim": "The specific claim text",
"confidence": "VERIFIED | PARTIALLY VERIFIED | UNVERIFIED | CONTRADICTED",
"sources": [
{"name": "Source name", "url": "URL if available", "date": "YYYY-MM-DD"}
],
"notes": "Any caveats or context"
}
Red Flags
Watch for these warning signs:
- Round numbers without context ("$10M ARR exactly")
- Claims that can't be independently verified
- Metrics that don't match industry standards
- Vague timeframes ("recently", "soon")
- Comparisons without clear methodology
Output Format
Include a verification summary in your analysis:
{
"verification_summary": {
"total_claims_analyzed": 15,
"verified": 8,
"partially_verified": 4,
"unverified": 2,
"contradicted": 1
},
"key_concerns": [
"Market size claim contradicted by industry reports",
"Founder employment dates don't match LinkedIn"
]
}