{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003437},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001022","490:4900002892","490:4900001266","490:4900003186","490:4900001978","490:4900003438","490:4900003993","490:4900001265","490:4900001974","490:4900002293","490:4900004534","490:4900001023","490:4900003716","490:4900004399","490:4900003712","494:4940007796","490:4900002275","490:4900001398","490:4900001672","490:4900001553","490:4900004831","490:4900006274","490:4900004677","490:4900004537","490:4900004006"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5141252208007185,0.5045618747817975,0.4773021605483641,0.3910168870421788,0.37252542613672535,0.37207450269111747,0.3647280438164311,0.361068637652107,0.33463750735251846,0.3140082072395366,0.3020850594510633,0.2884615040344879,0.2865978209062747,0.27935556100805686,0.27464266186104885,0.26738809124917384,0.2657202945682277,0.264080426375688,0.258442250439509,0.25799451192728373,0.25113135343589627,0.24533432268748975,0.2429931681318164,0.24251225258419176,0.24133981377228528],"twin_dists":[0.14981104279009547,0.15191038555424294,0.15795701510633092,0.1779806087250464,0.18251409017372933,0.18262598965080992,0.1844586534168467,0.18537845999266128,0.19217100925562258,0.19767700395450008,0.20095294780291822,0.20478975821123557,0.2053229278662635,0.20741487444542292,0.2087939455408769,0.21094544713626462,0.21144516219537743,0.21193841715147102,0.2136490985788853,0.21378594863048578,0.21590274427579392,0.21771964875768487,0.21846123777866205,0.21861414437254406,0.21898774442826208],"n_dims_used":45,"mean_confidence":0.9220265706380208},"coverage":{"mean_confidence":0.9220265706380208,"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}}