{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011443},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011244","490:4900011506","490:4900011171","490:4900011308","490:4900010497","490:4900011377","490:4900010581","490:4900011504","490:4900010584","490:4900009942","490:4900010052","490:4900010314","490:4900010240","490:4900011509","490:4900010498","490:4900010571","490:4900011307","490:4900010243","490:4900011311","490:4900010138","490:4900008546","490:4900010054","490:4900011444","490:4900010567","490:4900010667"],"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":[0.22081850580661758,0.1836643397224688,0.16825091764964673,0.15739690404831028,0.13372647738546703,0.12859029894827484,0.11027197257162168,0.09689579254370874,0.09380786015313164,0.08907763829716756,0.0736913541374222,0.0724743098406885,0.06435810407575562,0.06422277312686382,0.06163435210716175,0.057202951477501686,0.05416450642476959,0.042963941056617834,0.04191300646837377,0.03661478351326784,0.036410335484036535,0.035858886386307125,0.03376378276845234,0.0328179999432449,0.030980741372741764],"twin_dists":[0.22572874527894668,0.23909927876863069,0.24520487945498762,0.24974999742536572,0.2605243873328354,0.2630478716005186,0.2727243934013355,0.28060819989745395,0.28254830523424623,0.2856203639574499,0.2966072732472857,0.2975528031659925,0.30421098713896577,0.30432767895762175,0.30659930442807676,0.3106770272693226,0.3136262862922986,0.3258475101334846,0.3271269492308835,0.33402259786404614,0.33430523545664087,0.3350743582743501,0.33809133312695344,0.3395058278214235,0.3423561207648542],"n_dims_used":45,"mean_confidence":0.8915142483181424},"coverage":{"mean_confidence":0.8915142483181424,"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}}