{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002488},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002904","489:4890002635","489:4890002640","489:4890003071","489:4890002906","489:4890003431","489:4890003434","489:4890003551","489:4890002322","489:4890001990","489:4890002557","489:4890002556","489:4890002975","489:4890003370","489:4890002072","489:4890002407","489:4890003300","489:4890003372","489:4890002893","489:4890003490","489:4890003369","489:4890003433","489:4890003299","489:4890002550","489:4890003552"],"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":[0.9520686368499212,0.9363080090173227,0.9276847551017227,0.9175736188332869,0.9171703200718324,0.9095376186980034,0.9063051173422023,0.9002629997598802,0.8938803573642147,0.8890081239056898,0.8878160834774329,0.8857923868255514,0.8759105683962192,0.8737373621447414,0.8679322474941202,0.8673144127307736,0.857248021043809,0.849238495340007,0.8440982672516382,0.8434880607528427,0.8419265515272006,0.8418335488434107,0.8408484539236641,0.8400769136172518,0.8382811174495621],"twin_dists":[0.04070613243401818,0.04711805846399664,0.05032139733896272,0.05386972796899749,0.05400720512082264,0.056556997551858654,0.05760903624079869,0.059535330913495985,0.06151811637271131,0.06299887427627994,0.06335710141610006,0.06396174969360753,0.066854785332849,0.0674786266566804,0.06912486427437804,0.06929840831823496,0.0720839665822418,0.07424805715054841,0.07561469787679281,0.07577584397313374,0.07618719032571239,0.07621164384140161,0.07647034356129147,0.07667256212383323,0.07714189731061721],"n_dims_used":45,"mean_confidence":0.9139490763346354},"coverage":{"mean_confidence":0.9139490763346354,"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}}