Proof of Usefulness Report

California Tube Laboratory Inc.

Analysis completed on 2/25/2026

+381
Proof of Usefulness Score
Certified Problem Solver

The project represents a legitimate, established manufacturer (California Tube Laboratory Inc.) of high-power microwave tubes for medical and industrial applications, with verifiable history and revenue ($2.5M-$5M range). However, the submission itself is of extremely poor quality, featuring mismatched descriptions (citing competitor L3Harris), blatantly false audience reach claims ('everyone'), and no supporting evidence. The score reflects the underlying real-world value of the entity while heavily penalizing the inaccurate and low-effort submission data.

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Score Breakdown

Real World Utility+150.0
Audience Reach Impact+10.0
Technical Innovation+75.0
Evidence Of Traction+125.0
Market Timing Relevance+40.0
Functional Completeness+2.5
Subtotal+402.5
Usefulness Multiplierx0.95
Final Score+382

Project Details

Project URL
Description
L3Harris produces a line of IOT (and multi beam IOT MBIOT) amplifiers for broadcast and linac applications.

Algorithm Insights

Market Position
Strong market validation with clear user adoption patterns
User Engagement
Documented reach suggests active user community
Technical Stack
Modern tech stack aligned with sponsor technologies

Recommendations to Increase Usefulness Score

Document User Growth

Provide specific metrics on user acquisition and retention rates

Showcase Revenue Model

Detail sustainable monetization strategy and current revenue streams

Expand Evidence Base

Include testimonials, case studies, and third-party validation

Technical Roadmap

Share development milestones and feature completion timeline