Source evidence is mapped from grounded_memory_facts into the claim_sources table by binding each finding's source URL and title to the matched claim ID alongside a boolean polarity flag reflecting whether the evidence confirms or contradicts the assertion.

flowchart LR
    F[Research Finding] -->|Extraction| S[Source URLs & Titles]
    F -->|Checker Assessment| D{Relation Decision}
    D -->|Confirms| CS1[claim_sources: supports=true]
    D -->|Contradicts| CS2[claim_sources: supports=false]
    D -->|New / Regrounds| CS3[claim_sources: supports=true]
    CS1 --> C[Target Claim ID]
    CS2 --> C
    CS3 --> NC[New / Regrounded Claim ID]
    F -.->|claim-to-finding linkage| C