{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006291},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007393","490:4900007023","490:4900007268","490:4900005910","490:4900008873","490:4900006778","490:4900005006","490:4900007272","490:4900008536","490:4900008760","490:4900007147","490:4900007273","490:4900007022","490:4900007148","493:4930007116","470:4700004158","490:4900008983","490:4900008756","490:4900007149","470:4700003130","490:4900007274","490:4900002033","490:4900007633","490:4900008755","466:4660000514"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,493,470,490,490,490,470,490,490,490,490,466],"twin_sims":[0.6692746665791474,0.6371240494526201,0.5969859053959617,0.5923637009097232,0.5795128082878669,0.5126854303592023,0.5124737613488911,0.5083655892063674,0.505792264677652,0.45792991086793794,0.45604032727419186,0.45367570663525203,0.4489545027501561,0.4307182677195827,0.40303712309695816,0.3900190742924874,0.38322138016187507,0.3807969002106842,0.3780351333037245,0.37597986708377223,0.3702047931366542,0.36979783944059275,0.36567350912002866,0.35893965327652827,0.352667600925509],"twin_dists":[0.11638967808909137,0.1233179837183098,0.13191844336476372,0.1329085619716618,0.13566352431138104,0.1501264605312148,0.15017284999193928,0.15107416893946513,0.15163971148436353,0.16232119934152625,0.16275030422585118,0.16328819661672625,0.16436525634163504,0.16856698580329255,0.17508763052155993,0.17822259354263667,0.17987897249610882,0.1804731236377854,0.18115215867025375,0.18165905151425008,0.1830906874730486,0.183191985989361,0.18422176612604502,0.1859157709840783,0.18750829479625486],"n_dims_used":45,"mean_confidence":0.91431884765625},"coverage":{"mean_confidence":0.91431884765625,"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}}