{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001628},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001764","496:4960010261","490:4900001494","490:4900000974","496:4960010430","496:4960010021","496:4960010020","490:4900001098","490:4900001493","490:4900001765","490:4900001908","490:4900001229","496:4960010019","496:4960009932","490:4900000852","490:4900000975","496:4960011133","490:4900001492","500:5000001325","478:4780004504","490:4900001360","496:4960010344","496:4960010263","500:5000001274","496:4960010259"],"twin_admin_codes":[490,496,490,490,496,496,496,490,490,490,490,490,496,496,490,490,496,490,500,478,490,496,496,500,496],"twin_sims":[0.9300441280554855,0.7260516547414204,0.6778792250823453,0.5347056486513866,0.5265892034496835,0.3580303781819052,0.3456927563387848,0.34313151009683807,0.3161360023622564,0.27270483911364146,0.24345925540362895,0.24011292527291886,0.2217980362046637,0.19373750453896726,0.18662473460793882,0.17716068757188225,0.13822972495541547,0.13170136908281946,0.12490072777849526,0.12004242966180646,0.11737183057724729,0.10815731212475828,0.10704152381834058,0.10536510130049105,0.1037712985938422],"twin_dists":[0.049462658654711174,0.10392136051616722,0.11452339963823209,0.14532471984837592,0.1470893257384245,0.18614574959818347,0.18929667747950119,0.18995816468198362,0.1970999087745469,0.20936518582074323,0.21831323241900824,0.21937995699909038,0.22539776637037676,0.23530240158814286,0.23796858363605977,0.24162924938639138,0.2583711380496915,0.26151048145294653,0.2649080474133729,0.2674222617518498,0.2688375751726724,0.2739193349477541,0.27455715100683004,0.27552521575346095,0.27645674423809363],"n_dims_used":44,"mean_confidence":0.9145892750133168},"coverage":{"mean_confidence":0.9145892750133168,"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}}