{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001838},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002019","480:4800002302","480:4800002155","480:4800002450","480:4800001618","480:4800001725","480:4800001675","480:4800002020","480:4800002061","480:4800001968","480:4800001661","480:4800001966","480:4800002388","480:4800002126","480:4800002307","480:4800001388","480:4800002309","480:4800001562","480:4800001565","480:4800002016","480:4800002251","480:4800002246","480:4800001714","480:4800001521","480:4800002206"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5674860213742794,0.4639931354787867,0.45800182514855653,0.42786258607770444,0.4129198474434691,0.36567080361011894,0.3578352378418503,0.3175433667185514,0.31435275908079396,0.2982098742699705,0.2974268835901189,0.296799821452196,0.29535090151412363,0.2792810091540472,0.2773154814002409,0.2752022454335403,0.2748412941174561,0.2746589183995082,0.2724519346487853,0.2690193842292782,0.2530857988673697,0.2521154379730751,0.24115530040957403,0.24018089382820948,0.23641490727237824],"twin_dists":[0.13824639392930244,0.16094855552958687,0.162304880989042,0.16923131053412213,0.1727381242408159,0.18422244355411538,0.18619514454376387,0.19671941429856224,0.19758340526085033,0.20203376134150933,0.20225313948916523,0.202429074446849,0.20283643692954814,0.20743657866408696,0.20801007802383198,0.2086294493683608,0.20873553175955128,0.20878916384459872,0.20943992198919964,0.21045853844206378,0.21529623413101295,0.21559698537922217,0.2190466470192707,0.21935819477258603,0.2205700853129276],"n_dims_used":43,"mean_confidence":0.9193654614825582},"coverage":{"mean_confidence":0.9193654614825582,"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}}