{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004220},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["479:4790001978","489:4890004272","489:4890004796","489:4890004474","489:4890004049","489:4890004329","489:4890004990","489:4890004656","489:4890005382","489:4890003924","479:4790002059","479:4790002060","489:4890003926","489:4890004480","489:4890004566","489:4890004278","489:4890004707","489:4890004832","489:4890004609","479:4790002824","479:4790001979","489:4890003988","479:4790003500","489:4890004574","489:4890005148"],"twin_admin_codes":[479,489,489,489,489,489,489,489,489,489,479,479,489,489,489,489,489,489,489,479,479,489,479,489,489],"twin_sims":[0.8943663654923755,0.8164282240841917,0.7956254231197464,0.757553203440763,0.7565257930478938,0.7526482716670965,0.7388024943386383,0.7176789117555025,0.7069367700608178,0.701490394939139,0.6934521368675883,0.6823693429256031,0.6819744743649091,0.6780040425778273,0.6616101658274867,0.6586115514236244,0.6575444902645079,0.6515278294967031,0.6482581536188786,0.647720226293218,0.6464824023324518,0.6442938799396448,0.6409852250552968,0.6388653647937489,0.6299312887586161],"twin_dists":[0.061368899549159646,0.08271613767438289,0.08782181165237024,0.09678246593296586,0.09701870231306549,0.09790801021005442,0.10105614800092674,0.10578721585347706,0.10816510751397834,0.10936450907939077,0.1111278028314375,0.11354688215380386,0.11363283630743266,0.11449627974064533,0.11804708886016721,0.11869439215935075,0.11892459388274239,0.1202212944748133,0.12092511294133707,0.12104085182158053,0.12130712353182868,0.12177772170117546,0.12248876945923126,0.12294409637446012,0.1248612714379258],"n_dims_used":45,"mean_confidence":0.9173144870334201},"coverage":{"mean_confidence":0.9173144870334201,"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}}