{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009206},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009413","490:4900009310","490:4900008909","490:4900008244","490:4900009227","490:4900009017","490:4900008468","490:4900009205","490:4900008685","490:4900009211","490:4900009317","490:4900009125","490:4900008356","490:4900009018","490:4900008996","490:4900009023","490:4900008911","490:4900008573","490:4900009327","490:4900009740","490:4900009124","490:4900006342","490:4900007193","490:4900006566","490:4900007917"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.00459438673137588,0.003989271957443279,0.003645190837269276,0.0011982034800353432,0.0007851000412420344,0.0005747625905932473,0.0005695171105032851,0.00033808880564005153,0.00031715640663891235,0.00021401985524064813,0.00020524888926296385,0.00016650483180090592,0.00010143041131713408,0.00008430497737533005,0.00007681939825480236,0.00007055842801845843,0.00006314583652730101,0.000060026527591272303,0.00005791624617444937,0.000045112738438057966,0.000026580102242635066,0.000024271095690843045,0.0000212597529308392,0.00002053530333777886,0.00001390189597957194],"twin_dists":[0.4261355894255107,0.43168945381536483,0.43519956486172695,0.4763732440558777,0.49111447610063097,0.5017108258215902,0.502018965028535,0.5192446958135963,0.5213167585531245,0.5338913106014377,0.5352117133810309,0.5417645775506481,0.5569825310287709,0.5625550455074789,0.5653361505017999,0.5678670264743774,0.571154378028954,0.5726485289590497,0.5737017165750958,0.5810006252751622,0.5961606129435011,0.5987262995096744,0.6024467113086296,0.6034166322771426,0.6142249166780256],"n_dims_used":45,"mean_confidence":0.8704545762803819},"coverage":{"mean_confidence":0.8704545762803819,"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}}