{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800005271},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800005502","480:4800005344","480:4800005672","480:4800005743","480:4800005354","480:4800004075","480:4800005810","480:4800005671","480:4800005744","480:4800005670","480:4800004751","480:4800005600","480:4800005735","480:4800005741","480:4800004742","480:4800005438","480:4800005599","480:4800004829","480:4800005074","480:4800003848","480:4800005426","480:4800005664","480:4800003072","480:4800002953","480:4800004646"],"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":[0.5178287082374703,0.5089952882414408,0.47690722550152503,0.4693040385331777,0.343889724032832,0.325683665826243,0.3185693317323925,0.3165206010062257,0.30883208300508785,0.22408135161867343,0.21546287056265287,0.21027077156886617,0.20268935384288345,0.18138823455624267,0.16957661315651926,0.1479715097386499,0.1302183908194447,0.12904291162573686,0.12456673120978143,0.11730188669119383,0.11312621310305383,0.11027801263015298,0.10828157388266346,0.10782802539009584,0.10605628720416989],"twin_dists":[0.14900071182056945,0.15093589373142588,0.15804538397997875,0.15975136868169637,0.18976207004262458,0.19453695817408792,0.1964426341379615,0.19699583394769707,0.19909022430114703,0.2246300148810116,0.22755601516898433,0.22935696128158825,0.23204182558972705,0.23997738125630336,0.2446644009177525,0.25388622204946,0.2622398625851874,0.2628224713886666,0.26507848728918565,0.26887497269503047,0.2711393098172217,0.2727210058138873,0.2738486196600167,0.274107031602513,0.27512464462025077],"n_dims_used":43,"mean_confidence":0.918810999670694},"coverage":{"mean_confidence":0.918810999670694,"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}}