COLM Paper Traces OLMo3-7B Capabilities to Dolma3 Data

Glenn Matlin posted that a COLM 2026 paper traces capability provenance of OLMo3-7B across Dolma3 with gradient-based training data attribution. A visible reply notes signed influence heatmaps across 576 bins that show SocialIQA spreading positive mass broadly. Matlin supplied links to the paper and code in the post. The thread supplies the first-party announcement of the researchers' own work; no independent corroboration of results appears in the packet.