{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003223},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003433","489:4890002640","489:4890003369","489:4890003368","489:4890003146","489:4890003434","489:4890002320","489:4890003299","489:4890002904","489:4890002981","489:4890003431","489:4890003137","489:4890002072","489:4890002238","489:4890002975","489:4890003498","489:4890002488","489:4890002474","489:4890002635","489:4890002652","489:4890002816","489:4890003494","489:4890003056","489:4890003370","489:4890002906"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9180539438006923,0.9065276649343763,0.8919719549726309,0.8822215309368165,0.879312571062664,0.8764261112353651,0.8624877792534406,0.8588989550751328,0.8582390721936503,0.8485122423655755,0.8472189363400282,0.8323668475049374,0.8319109362676831,0.8297201581947076,0.8057689456200523,0.7973212450556973,0.7966479240732887,0.7848243426329751,0.7750858686571265,0.7742296747892333,0.7725659140635959,0.767352117636799,0.7670728727053254,0.7637826676260622,0.7600709602297201],"twin_dists":[0.0537056139995447,0.05753710402232905,0.06210135379614141,0.06501825704383128,0.06586950427860577,0.06670616596842645,0.07064367489958842,0.07163234259299112,0.07181309438979039,0.07444216330291885,0.07478698802447106,0.07867478991263152,0.07879216414054914,0.079354649552913,0.085353972621384,0.08741191992698155,0.08757479134288255,0.09040894198307868,0.09270918277376332,0.09291005365327147,0.09329978305888789,0.09451606309290701,0.09458099565666514,0.09534450407989682,0.0962024575870616],"n_dims_used":45,"mean_confidence":0.9142360263400607},"coverage":{"mean_confidence":0.9142360263400607,"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}}