Thinking Signature Field Proxy
- Entity ID:
ent-20260419-694412ca8f90 - Type:
concept - Scope:
shared - Status:
active - Aliases: signature field proxy, signature-length proxy
Description
Measurement technique using the length of the redacted thinking 'signature' field as a proxy for thinking content length. Pearson r=0.971 correlation computed on 7,146 paired samples where both cleartext thinking and signature length were available. Enables quantitative analysis of thinking depth after redaction hides the text.
Key claims
- Model cannot introspect real-time reasoning budget
- Signature field length correlates r=0.971 with thinking content length
- Thinking signatures account for ~25% of resume token cost
Relations
- Thinking Depth Regression (pre-redaction) --[depends_on]--> Thinking Signature Field Proxy
- Thinking-Signature Resume Tax --[depends_on]--> Thinking Signature Field Proxy