{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000938},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770001753","477:4770001582","477:4770001241","477:4770001000","477:4770001296","477:4770001643","477:4770001062","477:4770001421","477:4770001244","477:4770001002","477:4770000999","477:4770001242","500:5000001380","477:4770001077","477:4770001199","477:4770001699","477:4770001135","477:4770000937","477:4770001644","477:4770001420","500:5000001623","500:5000002245","477:4770000947","477:4770001067","477:4770001133"],"twin_admin_codes":[477,477,477,477,477,477,477,477,477,477,477,477,500,477,477,477,477,477,477,477,500,500,477,477,477],"twin_sims":[0.888117008452166,0.7732569213501265,0.7450707458068645,0.7208296926031219,0.7138896679274513,0.7116326588201028,0.7001705348322265,0.7001142295299371,0.6961546646307414,0.690393215769524,0.6898525287678047,0.6787261476467501,0.6778228223755929,0.6738765613627072,0.6668621669451912,0.6435435925456839,0.6406134908211716,0.6370728141314868,0.6315624654644844,0.6275109124768213,0.6249968013699745,0.6226487218170852,0.6131011832067416,0.6124203911134606,0.6005867030807945],"twin_dists":[0.06326681475770132,0.0931380135528947,0.09963601354552157,0.10508641951202775,0.10662795941800683,0.10712770584810954,0.10965458439230295,0.1096669540969774,0.1105358433358163,0.11179681048201452,0.11191495359109294,0.11433935516092474,0.11453565414724845,0.11539234228541526,0.11691184206510004,0.12193900484796963,0.12256862781681574,0.12332898301295271,0.12451142703751444,0.12538024318652696,0.12591915892755529,0.12642235944440822,0.12846750674600765,0.1286132980497287,0.1311472885396009],"n_dims_used":44,"mean_confidence":0.920195839621804},"coverage":{"mean_confidence":0.920195839621804,"n_dims_used":44,"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}}