{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012677},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012321","490:4900012530","490:4900012322","490:4900012254","490:4900012804","490:4900012319","490:4900012812","490:4900012531","490:4900012803","490:4900013021","490:4900012985","490:4900012678","490:4900012982","490:4900012604","490:4900012675","490:4900012871","490:4900013149","490:4900013056","490:4900012802","490:4900012740","490:4900012866","490:4900012878","490:4900012391","490:4900000753","490:4900012799"],"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":[0.337783132795493,0.3141919373898855,0.2854635049289414,0.2851448867476706,0.18115500939791668,0.16555576469892785,0.16354311525484871,0.14696307111718263,0.14637303778009808,0.10763068753463138,0.10413172349677918,0.09755871622598937,0.0897915026799443,0.08771313901791514,0.08325937933823985,0.08056949786194258,0.0676201966464103,0.06710085499484028,0.05982719706931161,0.058756923946182,0.05854144902114731,0.05749364385440284,0.055087435610731796,0.05273165407809211,0.05035931807327267],"twin_dists":[0.19134802808625204,0.19762708576942709,0.2056484557023787,0.20574003303577443,0.24006779640739104,0.24631320160468456,0.2471493831958286,0.25434013854201276,0.2546067917380509,0.274219729212564,0.2762451171875,0.280198050538367,0.2851485943746395,0.2865305274965087,0.2895819275751001,0.29148853203951386,0.30145704224096254,0.30188812602473697,0.30823213177271414,0.3092183781101637,0.30941872239622153,0.3104017026332547,0.3127162780976609,0.31506487178382714,0.31751970126761153],"n_dims_used":45,"mean_confidence":0.9111022101508246},"coverage":{"mean_confidence":0.9111022101508246,"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}}