{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001920},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002230","490:4900002530","490:4900002229","490:4900002078","490:4900001631","490:4900002838","490:4900002676","490:4900001766","490:4900003138","490:4900003935","490:4900002228","490:4900002381","490:4900003121","490:4900001772","490:4900002826","490:4900002231","490:4900002679","490:4900001921","490:4900001767","490:4900002678","490:4900003385","490:4900002081","490:4900002974","490:4900002686","490:4900001231"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5656367354726993,0.5281035255087891,0.515540360872989,0.5041892578622219,0.40760363941482436,0.36290322574483236,0.3610406084542985,0.35040132425879644,0.34638237746555994,0.34226027743215776,0.2882658884210898,0.2862661451347507,0.27261691902612156,0.2384287949446878,0.2352757916017953,0.21354670581012927,0.1859108356826126,0.17373996669690275,0.14420768263491865,0.14124086810052222,0.12958088654663963,0.12343714408175058,0.12217840216720703,0.1156522822698723,0.11557833429015887],"twin_dists":[0.13864406790446465,0.1467596582759143,0.14950123905303142,0.15199239267586864,0.1739988613649772,0.18491674134864805,0.18538552345943987,0.18808732829466057,0.189119014884178,0.19018377418328516,0.20484562364502634,0.20541803256200394,0.20939116237660524,0.2199204670130918,0.22093913026448322,0.2282172072237122,0.23824008992640408,0.2429864916809526,0.25559225042826483,0.2569604434081423,0.26255533679615467,0.2656575070853893,0.266307500956594,0.26976198188979805,0.2698019713688549],"n_dims_used":44,"mean_confidence":0.9122135855934836},"coverage":{"mean_confidence":0.9122135855934836,"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}}