{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910002033},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001019","491:4910002179","491:4910002215","491:4910000847","492:4920007018","491:4910001410","491:4910002261","492:4920005360","492:4920006356","492:4920007042","491:4910001289","492:4920005971","492:4920004760","491:4910000903","492:4920006509","492:4920004752","492:4920005801","492:4920006357","491:4910001575","491:4910001926","492:4920006788","491:4910001417","492:4920006455","491:4910002372","492:4920005168"],"twin_admin_codes":[491,491,491,491,492,491,491,492,492,492,491,492,492,491,492,492,492,492,491,491,492,491,492,491,492],"twin_sims":[0.5342926864678682,0.3800152194828347,0.370300099663074,0.36107087051250253,0.338117253725631,0.32838853255960415,0.3025823825009882,0.28781027494076283,0.26238118855796827,0.24791361415874702,0.23574930768380534,0.22581348353696992,0.22274850531716062,0.22252959365978275,0.22180949917597595,0.20946135338055338,0.1851265275045226,0.18422415858316762,0.1826212166412307,0.17728954145241682,0.17645874922171717,0.17164311797826273,0.168582632644614,0.16831127550261227,0.16733642694747883],"twin_dists":[0.14541436721514875,0.18066507287645045,0.1830669718645825,0.1853778973151708,0.19126085675970128,0.19381850093025854,0.2008148284026767,0.20497582926958716,0.21245155202927593,0.2169078851991853,0.22078558132623197,0.2240510635835763,0.22507753923598775,0.22515121286225642,0.22539389887238578,0.22964042583414632,0.23853921996587357,0.23888448276741156,0.23950074766207607,0.24157849003523854,0.2419062257788148,0.2438279171044106,0.24506935473610655,0.24518020549311398,0.24557950013371493],"n_dims_used":45,"mean_confidence":0.8988055759006076},"coverage":{"mean_confidence":0.8988055759006076,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}