{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000055},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000157","480:4800000195","480:4800000054","480:4800000243","480:4800000216","480:4800000220","480:4800000164","480:4800000226","480:4800000022","480:4800000215","480:4800000244","480:4800000162","480:4800000021","480:4800000165","480:4800000245","480:4800000001","480:4800000161","480:4800000188","480:4800000255","480:4800000197","480:4800000003","480:4800000229","480:4800000196","480:4800000077","480:4800000132"],"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":[0.7676520844724379,0.6579188928137144,0.6336178771591746,0.6268084438349649,0.5581237001455285,0.4087812997376448,0.4085894719340969,0.3946341276225848,0.3928597575509361,0.3912820560710381,0.378847002879131,0.3765462804951844,0.3682285304646511,0.354738621286573,0.34833504568599444,0.29997855177929345,0.25963362856850947,0.24811039457975137,0.23304372131820533,0.21088949337889606,0.2098512809332545,0.20602332585958041,0.19496441560481448,0.1573458291239747,0.14457317062396538],"twin_dists":[0.09444628869835779,0.11884383067710841,0.12407048151684383,0.12553083685298183,0.14026139857003608,0.1737189593048811,0.17376452793474437,0.17710577715032397,0.17753444157830292,0.1779163497967396,0.18095229585795417,0.181519221681089,0.18358313753014002,0.1869808400609642,0.18861697209643793,0.2015394537710056,0.2132856833168359,0.21684617693376218,0.22166567182556668,0.2291407796298005,0.22950377739392736,0.23085283344379431,0.23484943372862427,0.2497719156393636,0.25542515023928924],"n_dims_used":42,"mean_confidence":0.9017101469494048},"coverage":{"mean_confidence":0.9017101469494048,"n_dims_used":42,"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}}