HELIX FABRIC v2

15 Signal Types in Helix Fabric v2

1. Bio Template Entropy — Measures phrase-level repetition across team bios
2. Credential Specificity Index — Scores verifiability of claimed institutions
3. Bio Length Variance — Coefficient of variation across team member bios
4. Headshot EXIF Consistency — Metadata analysis of profile images
5. LinkedIn Activity Depth — Post history, endorsement graph, connection age
6. Domain Registration Timeline — Age vs. claimed company founding date
7. SEC/EIN Cross-Reference — Verifies corporate entity registration
8. Publication DOI Verification — Validates claimed research output
9. Patent Number Validation — Cross-references USPTO/WIPO databases
10. Social Graph Clustering — Detects artificially symmetric networks
11. Temporal Activity Analysis — Identifies bulk-created digital presence
12. Linguistic Fingerprinting — Detects single-author/LLM generation across bios
13. Accomplishment Granularity — Measures specificity of claimed achievements
14. Cross-Platform Consistency — Validates presence across multiple platforms
15. Founder Network Analysis — Maps connections to known synthetic clusters