{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001247},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001642","490:4900002695","490:4900001506","490:4900004089","490:4900002696","490:4900002988","490:4900001377","490:4900002091","490:4900003934","490:4900002092","490:4900001509","490:4900001510","490:4900003661","490:4900002395","490:4900004365","490:4900002244","490:4900001373","490:4900004358","490:4900001250","490:4900002989","490:4900004503","490:4900003657","490:4900002996","490:4900001372","490:4900003252"],"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":[0.13736947762350965,0.10211679154909564,0.07157377517791065,0.061404690360632966,0.05809588907027112,0.024233545128122393,0.022403133971126834,0.021670877157339428,0.020712285914361254,0.020342559583173242,0.020324273086037493,0.018174484062651677,0.017238630517105936,0.01695604286632622,0.016878447464575546,0.014919915185964474,0.014428043994384597,0.013360735407528485,0.013262359016971434,0.010417581693710855,0.009921353594288342,0.0088839903941648,0.008364868505304017,0.007584998461284929,0.006845690792329129],"twin_dists":[0.2587783667315438,0.27743562331814214,0.29826074228981847,0.30680461313287044,0.30983492976728655,0.3542512016760582,0.35797114457620377,0.35953358592667545,0.3616498803309809,0.36248897996134216,0.3625308253895177,0.36769559890410086,0.37011277893178546,0.3708652796897025,0.37107383273030475,0.37663862717262214,0.3781369451732562,0.38154971817565075,0.38187628725524814,0.392395527445194,0.39448788848386895,0.3991820540611384,0.40171817181551916,0.4058066663394733,0.4100471351441591],"n_dims_used":45,"mean_confidence":0.9136039733886718},"coverage":{"mean_confidence":0.9136039733886718,"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}}