GEO_OAI_SEARCHBOT_ALLOWED
If robots.txt disallows OAI-SearchBot, the page cannot appear in ChatGPT's search results. This is a separate token from GPTBot, which controls training-data collection.
Impact is importance multiplied by the confidence tier’s weight — SPECIFICATION 1.0, RESEARCH 0.7, EMERGING 0.3, EXPERIMENTAL 0.1. Two rules backed by the same class of evidence therefore always carry the same weight, which is what makes the score reproducible rather than hand-tuned.