{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012173},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012171","490:4900012106","490:4900011242","490:4900012108","490:4900009825","490:4900009828","490:4900010652","490:4900012107","490:4900009418","490:4900012172","490:4900011241","490:4900010149","490:4900008220","490:4900011170","490:4900008442","490:4900010412","490:4900007890","490:4900010572","490:4900008332","490:4900010654","490:4900011310","490:4900010653","490:4900009727","490:4900010401","490:4900009726"],"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":[0.5680999239490886,0.31848920351262566,0.30712303703715266,0.1760315077164785,0.16001481636760614,0.1314226304424127,0.10544837343894889,0.07108406265752296,0.05394335114849963,0.04549330078829227,0.03608580407774028,0.02608541670329782,0.025490731054086602,0.019612450774300065,0.018216188858170463,0.013062083782124896,0.012389465194235592,0.011176959013776825,0.011174786930075682,0.011065482554993183,0.010319557632545055,0.009694712039855424,0.009431616156755316,0.006975341098427076,0.006348314985363708],"twin_dists":[0.13811441314049605,0.19646423266936122,0.19955981734898273,0.24207519419218226,0.24863342710600328,0.26164710074720526,0.27547684800940353,0.2986487554631853,0.3138462513063632,0.3228727921038614,0.33475666100909507,0.35072743527663236,0.3518347745469369,0.36418578634911275,0.3675904396580664,0.38254779305161135,0.3848717635100103,0.38935933107594534,0.38936775059939527,0.3897933308137526,0.3928017050777961,0.39547473156888135,0.3966464571085439,0.40927463422282057,0.413138311867056],"n_dims_used":44,"mean_confidence":0.8887290087613192},"coverage":{"mean_confidence":0.8887290087613192,"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}}