{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002109},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002110","489:4890002600","489:4890003473","489:4890003023","489:4890002272","489:4890002521","489:4890002682","489:4890003659","489:4890002022","489:4890002192","489:4890003597","489:4890003537","489:4890004236","489:4890001844","489:4890001861","489:4890003658","489:4890002580","489:4890002518","489:4890002442","489:4890002276","489:4890002111","489:4890003598","489:4890003471","489:4890004174","489:4890003908"],"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":[0.817594732965446,0.7540781511118044,0.7426100581201714,0.674158301111842,0.6482692138094468,0.6382823834989153,0.631343807659084,0.6306306239693412,0.6041707220106725,0.6004765190512771,0.5912872131240254,0.5876852524567306,0.5875694220332607,0.5874972423515186,0.5812265613356109,0.5689627087536298,0.5609607320576804,0.5578726024081728,0.5571117121389492,0.55649004925986,0.5504050403044689,0.5463592627907541,0.5384796322935373,0.5378089136381695,0.5314702875924274],"twin_dists":[0.08242447304359785,0.09758047979123338,0.10019447482467188,0.11533122518646968,0.1209227331088907,0.12306928430584334,0.12455832787080791,0.12471129186845518,0.1303798158278286,0.1311708841973714,0.1331392014566941,0.13391108412902558,0.13393591040416952,0.13395138103525012,0.1352958889471657,0.13792895386834853,0.1396503314976867,0.14031550337289445,0.1404794761245663,0.14061346933987223,0.14192623537726048,0.14280035388806514,0.14450608498348697,0.14465149182157902,0.14602744362333836],"n_dims_used":45,"mean_confidence":0.9194796244303386},"coverage":{"mean_confidence":0.9194796244303386,"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}}