{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800005069},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800005333","480:4800004382","480:4800005157","492:4920001006","480:4800004468","492:4920001200","492:4920000584","492:4920001284","492:4920000959","492:4920000692","492:4920001413","492:4920000598","492:4920001201","492:4920001110","492:4920000752","492:4920000597","480:4800005328","492:4920000850","480:4800002559","492:4920001326","492:4920000792","480:4800005487","492:4920000587","492:4920001507","492:4920000488"],"twin_admin_codes":[480,480,480,492,480,492,492,492,492,492,492,492,492,492,492,492,480,492,480,492,492,480,492,492,492],"twin_sims":[0.47881595548603906,0.45718006127187905,0.33053948416925516,0.3207445745858427,0.281430817469117,0.2811692306608615,0.2772668247346974,0.26689372945784196,0.24646992945970597,0.23829913153791965,0.23431442910679381,0.23304210003501885,0.23288650935375163,0.22615199815077008,0.2197998497245053,0.20780464373543575,0.20506057962643043,0.2036586660161943,0.19317113088695628,0.1895220177453263,0.1854234385761344,0.18198771397911617,0.18082906577522503,0.1774084581729101,0.1757482576146811],"twin_dists":[0.15761851389349302,0.16249140569995024,0.193249497839237,0.19585746077951405,0.2068121128211226,0.20688794232419658,0.2080243063821267,0.21109336816285879,0.2173615739151886,0.21996218445738946,0.22125149851630985,0.22166620121066863,0.22171701629530766,0.22393826276461357,0.22607398805544723,0.2302229508049972,0.2311948153015716,0.23169476711019793,0.2355121760961426,0.23687412305835656,0.23842587537663804,0.23974535567098154,0.24019429407479245,0.24153166849300234,0.24218737694521825],"n_dims_used":43,"mean_confidence":0.9092473761979923},"coverage":{"mean_confidence":0.9092473761979923,"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}}