{"source":"https://api.gridrock.ai/mcp","tool":"read_witnesses","tier":"tier_u_v1","scope":"mh36","archetype":"warming","cell":{"admin_code":473,"cluster_id":4730006509},"witness":{"present":true,"_store":"standalone_pin","kind":"trajectory","_pin":{"pin_seq":0,"pin_sha256":"fd412a84302331e8ab9ecee85c26003f1b2164fd48494b40fd473a1e628a8a39","pin_publish_utc":"2026-11-02T09:02:55+00:00","source_window_end_utc":"2025-12-31T00:00:00+00:00"},"witnesses":{"tier_u_v1_temp_annual_mean_c":26.971943210482653,"tier_u_v1_temp_trend_c_per_decade":0.07854307907562663,"tier_u_v1_summer_max_mean_c":38.79536953542149,"tier_u_v1_winter_min_mean_c":14.37492307933622,"tier_u_v1_temp_interannual_sd_c":0.47665795372613556,"tier_u_v1_temp_annual_mean_idw_sd_c":0.5789441486643743,"tier_u_v1_temp_trend_idw_sd_c_per_decade":0.09709225098475346,"tier_u_v1_n_stations_idw":6,"tier_u_v1_nearest_station_km":89.0404,"tier_u_v1_any_station_warming_sig":true,"tier_u_v1_source_window_end_utc":"2025-12-31T00:00:00+00:00","tier_u_v1_source_natural_cadence_seconds":31536000,"tier_u_v1_overdue_factor_at_publish":0,"floor_tier_u_v1_overdue_vs_natural_cadence_by_factor_N":false}}}