{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001434},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001590","496:4960008026","490:4900001574","496:4960008249","496:4960008960","496:4960009067","490:4900000125","496:4960008584","490:4900003213","494:4940007405","490:4900000788","496:4960008362","490:4900001736","494:4940005928","496:4960011457","490:4900004038","490:4900001734","494:4940007076","494:4940006939","496:4960004512","490:4900002631","496:4960011820","490:4900001727","494:4940006264","494:4940006151"],"twin_admin_codes":[490,496,490,496,496,496,490,496,490,494,490,496,490,494,496,490,490,494,494,496,490,496,490,494,494],"twin_sims":[0.582311804221071,0.5407262050360199,0.5066310213573462,0.4916605379020959,0.4231793267115657,0.419767454884757,0.4166168076447703,0.3897877743769655,0.377060995884183,0.36087670315593834,0.35977705451892594,0.35660554443130527,0.34894827491884606,0.33947878818543886,0.33327198220763643,0.330911456866628,0.31860556840578363,0.31527227614585657,0.3142597750893973,0.3124068952985301,0.30862255116277587,0.2985720382417067,0.2943438326122357,0.2941966261233455,0.2848967417080908],"twin_dists":[0.13506312635074397,0.14401929628498447,0.15145529367036908,0.15475969075009607,0.1703247577735783,0.17112454851333378,0.17186555511359713,0.17827872870465283,0.18139224349104996,0.18542683382412,0.18570423480558032,0.18650672997548126,0.1884596130181598,0.19090611452730724,0.19252957395552517,0.1931513042498741,0.19643286756053221,0.19733390004274254,0.1976086589377677,0.19811277440555325,0.19914771664886188,0.20193240467078966,0.20312026825308693,0.20316180482624688,0.20581139760050857],"n_dims_used":45,"mean_confidence":0.916945309109158},"coverage":{"mean_confidence":0.916945309109158,"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}}