# EM-FAC-02 provider comparison

Claude and Grok agree that WM-ECO-034 remains disclosure-only, Activity Data is a profile over WM-FLW-015 and WM-MAT-008, and Inventory Boundary, Emission Factor Registry, and Environmental Impact Calculation Run require independent identifier-unassigned roots. Both preserve method, quality, unit, uncertainty, allocation, time, and counterparty boundaries. Grok's hidden browsing is excluded. The single frozen audit upheld the boundary and found 14 artifact defects; all were remediated without rerun.