{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000867},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000866","494:4940007541","490:4900000865","490:4900012679","490:4900003413","494:4940005194","490:4900002708","494:4940006233","490:4900012930","490:4900002070","490:4900013011","494:4940008178","494:4940001037","490:4900013263","494:4940004937","490:4900012446","490:4900001113","490:4900012869","494:4940007848","490:4900012968","490:4900003690","490:4900003546","490:4900001768","490:4900003562","490:4900000989"],"twin_admin_codes":[490,494,490,490,490,494,490,494,490,490,490,494,494,490,494,490,490,490,494,490,490,490,490,490,490],"twin_sims":[0.5845869080139904,0.05101468629207069,0.04980533033265423,0.026777274545544436,0.018212351144471735,0.016959563411087727,0.011287698602306879,0.009531776270301795,0.008293402302057514,0.008046162658180258,0.0066418737922348085,0.006582993512111297,0.005068202331951876,0.004922752729879912,0.004601212646818876,0.004241981871498619,0.004229509836674936,0.0038240112326272235,0.003769738306561495,0.0035794705887583537,0.003341003144607476,0.003312760330573846,0.003292065449117054,0.003208543359940567,0.0029984751206508023],"twin_dists":[0.13457526708598017,0.3168320910239475,0.31810677927744674,0.349466241274424,0.36760010770115403,0.3708558373998718,0.3889319924846257,0.3961969846765736,0.40207828171015836,0.40334591541815856,0.41128857849075223,0.41165360110832316,0.4222326881627117,0.42339431077917117,0.42607682144450776,0.42928281280284203,0.42939849150694287,0.43333943099842454,0.43389547005636325,0.43590414678487505,0.43856382457483656,0.4388902068202167,0.439130978657336,0.44011695737892825,0.442704443820996],"n_dims_used":45,"mean_confidence":0.9120171440972222},"coverage":{"mean_confidence":0.9120171440972222,"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}}