{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000961},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001001","480:4800000893","480:4800000754","480:4800000364","480:4800000928","480:4800001147","480:4800001037","480:4800000832","480:4800000966","480:4800001148","480:4800000792","480:4800001202","480:4800000965","480:4800001208","480:4800001078","480:4800000969","480:4800000926","480:4800000581","480:4800001204","480:4800000830","480:4800000363","480:4800000755","480:4800000959","480:4800001007","480:4800000925"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.3841633650053825,0.37078387919532574,0.35541331823105443,0.33957585912004884,0.3359212935999126,0.3071290740082669,0.28832067798283845,0.2860321221293841,0.28588720982487636,0.2463901137999581,0.24273578393235515,0.23559568190394245,0.2240395858850061,0.21707897082320263,0.15939853706285365,0.15837279229866003,0.1562322819350066,0.1401453277376587,0.12365548778035919,0.12308974301588459,0.12284868255838836,0.1184150750887553,0.11341605754037425,0.11166761675750908,0.10950127980700329],"twin_dists":[0.17964861283166222,0.18294663724832202,0.18680935062179901,0.19088085233289018,0.19183463212495214,0.19955815593126286,0.20482997412955978,0.2054851761115505,0.20552676944567239,0.2173867063353539,0.2185430484430458,0.22083537603879053,0.22464401143913743,0.22700143913724513,0.2488950735122447,0.24933219916427637,0.2502510776953876,0.2574710752620862,0.2655452720815927,0.26583639316282676,0.26596074763618655,0.268281791055497,0.2709800784215758,0.2719454246599012,0.27315782140287015],"n_dims_used":43,"mean_confidence":0.9136938050735829},"coverage":{"mean_confidence":0.9136938050735829,"n_dims_used":43,"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}}