{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002101},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003253","489:4890003464","489:4890001755","489:4890003325","489:4890002007","489:4890001833","489:4890002745","489:4890001839","489:4890002666","489:4890002743","489:4890002838","489:4890002834","489:4890002090","489:4890002753","489:4890002578","489:4890002016","489:4890001764","489:4890003326","489:4890002186","489:4890002271","489:4890001749","489:4890001757","489:4890001680","489:4890002749","489:4890002079"],"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":[0.8649631437057622,0.8625461535938459,0.8482018703610946,0.8453316150966468,0.8276153310641844,0.820719971354969,0.8182391436973032,0.8167018181482358,0.8116992643269451,0.8100321879292024,0.8091660510129977,0.8066936009776496,0.8024057177406209,0.7994666790150686,0.7981434796975214,0.7927054525923706,0.7897864302883962,0.7872141391512184,0.776133706609755,0.7714853852274024,0.7539497358656995,0.7532695978046539,0.7493047897205809,0.7443081174139989,0.736497768987601],"twin_dists":[0.0699560414916869,0.07062751352006574,0.07452501300890353,0.07528829399271629,0.07989272310294862,0.08163999735212217,0.08226308532518778,0.08264778542308707,0.08389235878348376,0.08430470876558241,0.08451848633560097,0.08512702689824611,0.0861765749255733,0.0868918411908562,0.0872128019100279,0.08852517158998807,0.08922532510830486,0.08983991448881329,0.09246305948359955,0.0935524707284678,0.09760991427744474,0.09776574671906754,0.09867204225908059,0.09980923106681426,0.10157630899892328],"n_dims_used":45,"mean_confidence":0.9177354600694444},"coverage":{"mean_confidence":0.9177354600694444,"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}}