{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003310},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004128","490:4900002143","490:4900003700","490:4900003036","490:4900003184","490:4900003183","490:4900002749","490:4900003994","490:4900004420","490:4900003720","490:4900001680","490:4900004275","490:4900003584","490:4900004543","490:4900002139","490:4900003040","490:4900003987","490:4900003585","490:4900003046","490:4900001832","490:4900003444","490:4900002600","490:4900002290","490:4900003844","490:4900003990"],"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":[0.8343631533989159,0.7714272210656047,0.7305355736751875,0.7071287804188007,0.6977407004875226,0.6525535814937439,0.6420084340175869,0.6307549954975372,0.6195233421855367,0.6001873448593584,0.5663448170698873,0.5632481015488585,0.560512915749515,0.5516486766673606,0.5393757513333519,0.5259474374871441,0.5245192821960397,0.5244093866284754,0.520406460612681,0.5011077198238972,0.4956964413543204,0.4880251419934138,0.4807137713524885,0.4619701901589759,0.4512721400464942],"twin_dists":[0.07815952730152174,0.09356606340630186,0.10291721007780223,0.1081227499804921,0.11018803388214166,0.12000037537828981,0.12226892716698597,0.12468461766532606,0.12709197740652933,0.1312328105978155,0.13849178225189585,0.13915796110864612,0.1397467580548911,0.1416577523654868,0.14431186728258236,0.14722910081553262,0.14754028585430248,0.14756423919198927,0.1484375188225182,0.1526712235825403,0.15386608805170418,0.15556647282160158,0.1571946259754668,0.1614058175870526,0.1638360049526961],"n_dims_used":45,"mean_confidence":0.9186341179741754},"coverage":{"mean_confidence":0.9186341179741754,"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}}