{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002826},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002916","480:4800003090","480:4800002962","480:4800003131","480:4800003092","494:4940003752","480:4800002587","494:4940003053","480:4800003093","480:4800003648","480:4800003132","480:4800003720","480:4800002640","480:4800003137","480:4800003091","480:4800002592","480:4800002639","480:4800002723","480:4800002963","480:4800003139","494:4940003274","480:4800006251","480:4800002970","470:4700004412","480:4800003655"],"twin_admin_codes":[480,480,480,480,480,494,480,494,480,480,480,480,480,480,480,480,480,480,480,480,494,480,480,470,480],"twin_sims":[0.8168080545627914,0.7292706009146798,0.633893425159239,0.3564336548449013,0.3367527755047365,0.3312891161984447,0.3068717940537035,0.30127901822296416,0.2896430420629358,0.2871785283558687,0.2779912480426833,0.2749648783725208,0.27489113399260096,0.2693968448313349,0.26526237847744,0.2606643859953679,0.2298654520922491,0.22272735216656853,0.2175570862423081,0.21546106227863093,0.20783057616591114,0.2008513185526554,0.19811447657236325,0.18420192430841875,0.18380017682462124],"twin_dists":[0.0826212352184978,0.10320085676070011,0.12401135828864172,0.18655032817872544,0.19161713913062173,0.19305167134716708,0.19962897792344989,0.20117708773479565,0.2044528056117804,0.20515657468481002,0.20781262512490084,0.2086992011535684,0.2087208789083463,0.2103461347214397,0.2115827070556598,0.21297210918808313,0.22270813554916188,0.22508465611450346,0.226837903384254,0.2275566372612535,0.23021380822905235,0.23270307087703918,0.23369543579810417,0.23889300502390182,0.2390471172993541],"n_dims_used":43,"mean_confidence":0.9216684740643168},"coverage":{"mean_confidence":0.9216684740643168,"n_dims_used":43,"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}}