{"limitations":["Citation does not prove model training or permanent model memory.","Fact match alone does not prove exclusive attribution unless the fact is unique.","Answer influence does not prove revenue, lead, conversion, or recommendation impact.","Results may differ by query, provider, model version, location, and date.","Public evidence is redacted; full forensic provider payloads remain admin-only."],"methodology_version":"1.0","proof_positive_rule":"citation_match OR canary_match OR answer_influence","proof_taxonomy":{"levels":[{"level":1,"name":"crawler_retrieval"},{"level":2,"name":"retrieval_persistence"},{"level":3,"name":"direct_official_url_mention"},{"level":4,"name":"citation_or_clean_citation"},{"level":5,"name":"canary_match"},{"level":6,"name":"answer_influence"}],"version":"proof_level_v1"},"retrieval_persistence_rule":"same production bot + same URL on at least 3 distinct days","schema_version":"proof_methodology_v1","verdict_definitions":{"answer_influence":"The answer contains source-specific information attributable under the declared probe rules.","canary_match":"A controlled source-specific phrase appears in the model answer.","citation_match":"The target AuthorityPrompt URL is present in the provider citation set.","clean_citation":"An exact canonical target URL is present in citations or unambiguous source metadata.","fact_match":"The answer contains an expected fact; this alone is not proof-positive citation evidence."}}