{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001521},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001518","480:4800001849","480:4800001524","480:4800001969","480:4800001344","480:4800001735","480:4800001611","480:4800001403","480:4800001401","480:4800001334","480:4800001612","480:4800001957","480:4800001388","480:4800001387","480:4800002019","480:4800001629","470:4700005800","480:4800001271","480:4800001838","480:4800001613","480:4800001618","480:4800001576","480:4800001966","480:4800001955","480:4800001685"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,470,480,480,480,480,480,480,480,480],"twin_sims":[0.5234636450605605,0.4736507849565564,0.47199043865457024,0.38659775187535056,0.38426710252853835,0.3604813569694317,0.34750428267649847,0.3268315605051898,0.3033199208892543,0.2991786598662703,0.2912058050189037,0.2773590316092926,0.27109163905586176,0.2679220648454464,0.26495281916999097,0.2571629773343143,0.2509927587302639,0.2499058197688742,0.24018089382820948,0.23695952557931682,0.22587822749470834,0.2238287235544958,0.2221153725203711,0.219547854278551,0.2139530038245171],"twin_dists":[0.14777042425170633,0.1587749437387313,0.15914755771950517,0.17905453446198327,0.1796232606250113,0.18552651544601473,0.18883038451200615,0.19423165710415885,0.20061023791540797,0.20176279444050585,0.20400839143737448,0.20799734420582455,0.20984263968724304,0.21078586426273135,0.21167577363651485,0.21404050310261827,0.2159458675502286,0.21628459340887118,0.21935819477258603,0.22039405314346192,0.22402948073706044,0.22471470229124368,0.2252907493690337,0.22615955958330597,0.22807667625402508],"n_dims_used":43,"mean_confidence":0.9206911131393077},"coverage":{"mean_confidence":0.9206911131393077,"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}}