{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011089},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010754","490:4900011020","490:4900011247","490:4900011367","490:4900010759","490:4900010836","490:4900011900","490:4900010758","490:4900010929","490:4900011301","490:4900010668","490:4900010424","490:4900010499","490:4900011177","490:4900010585","490:4900011645","490:4900010044","490:4900010837","490:4900010941","490:4900010764","490:4900010999","490:4900010677","490:4900011175","490:4900010753","490:4900011300"],"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":[0.6353758856304027,0.4931066774273157,0.40425649510729855,0.3906078023858665,0.3431363981490781,0.3070224270186552,0.3040174566389393,0.2986148705881877,0.2796735472707313,0.2732144601092783,0.2727508579118886,0.2702748319130456,0.26614849209838026,0.2382880531416998,0.23088758706560344,0.21636743467183941,0.20583357967378446,0.19245979572277072,0.18712593110294007,0.1848395830229152,0.17776647234774862,0.16801740232701204,0.16775553187845724,0.1673001570645299,0.1656523956519737],"twin_dists":[0.12369322935224841,0.1544392508323008,0.17479636529473247,0.17807978298750587,0.18995689976123298,0.19958750871904504,0.20041700973963833,0.20192042220644707,0.2073223388845394,0.20921471638170736,0.2093515913246859,0.21008505590261742,0.21131667742510907,0.21996574946678013,0.22237184832206675,0.2272452639247823,0.23092014752134257,0.2357762489900785,0.23777840665685696,0.2386488814445815,0.24139084072376246,0.2453003992752942,0.2454076315237253,0.24559438843503972,0.24627324022478145],"n_dims_used":45,"mean_confidence":0.8929923163519965},"coverage":{"mean_confidence":0.8929923163519965,"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}}