{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":479,"cluster_id":4790001050},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["479:4790000361","489:4890003920","489:4890003611","479:4790000495","479:4790000983","489:4890003855","479:4790001123","489:4890003922","489:4890004162","479:4790001121","489:4890004046","489:4890003793","479:4790000628","479:4790000980","489:4890003790","479:4790001972","489:4890004045","489:4890003730","479:4790001869","489:4890003791","489:4890003921","489:4890003612","489:4890003853","479:4790001194","489:4890003792"],"twin_admin_codes":[479,489,489,479,479,489,479,489,489,479,489,489,479,479,489,479,489,489,479,489,489,489,489,479,489],"twin_sims":[0.9061589590682259,0.8848054254676512,0.8843757000629493,0.8778927602249812,0.8628838569610424,0.8545806181362035,0.8454572838233466,0.8351349909827598,0.8280263912949802,0.8252211733702655,0.8171803687328485,0.8164948078956606,0.8160426677040513,0.812279376315356,0.8092398618178985,0.8078472158330403,0.8043678718964316,0.8041531207628443,0.799565618576282,0.7942945472689428,0.7927874576132549,0.788091806600839,0.7794294106329062,0.7778967600863107,0.7767791811508776],"twin_dists":[0.05765623854427689,0.06425507055537193,0.06438246740969195,0.06628202290828472,0.07053396659228514,0.07280955010893296,0.07525498326310798,0.07795972926240197,0.07978781843938396,0.0805020364182058,0.08252814772725221,0.08269950607399085,0.08281240463251345,0.08374859181508414,0.08450028072541911,0.08484340079290137,0.08569719843945814,0.08574973803058263,0.08686781574378546,0.08814276714406541,0.08850545937596023,0.08963046465125936,0.09168681689523439,0.09204820964028902,0.09231128524563423],"n_dims_used":45,"mean_confidence":0.9205641004774305},"coverage":{"mean_confidence":0.9205641004774305,"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}}