{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001423},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001871","480:4800001469","480:4800002419","480:4800001365","480:4800002316","480:4800001811","480:4800002409","480:4800002094","480:4800002466","480:4800002463","480:4800001246","480:4800002314","480:4800002224","480:4800001355","480:4800001697","480:4800002187","480:4800001870","480:4800002283","480:4800001934","480:4800002135","480:4800002510","480:4800002369","480:4800001364","480:4800001869","480:4800002329"],"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":[0.8020108747907987,0.7444161063895359,0.7013109707798326,0.671818014896553,0.6419399873524623,0.6407707523284433,0.6220032436874597,0.6063099053844757,0.6057802622045226,0.5990483463063737,0.556812584168573,0.5565992304058056,0.5542969009188835,0.5378090621121999,0.5366836202323743,0.5350762964410293,0.5277098227389526,0.5266395352205204,0.518086926214182,0.5171158102341611,0.5093881633310479,0.5068069482137305,0.5018904876320109,0.49900233143878153,0.49811816914671947],"twin_dists":[0.08627285871248547,0.0997847107828605,0.1094039555096274,0.11583869283255874,0.12228363471188156,0.12253484457853689,0.12656066828450083,0.12992175672827388,0.13003516762315803,0.13147673238436947,0.14054394743851176,0.1405899348516101,0.14108635800664035,0.1446514596296304,0.14489552625924798,0.14524427011894855,0.14684534737367,0.14707836519159107,0.14894426575059538,0.14915658544682112,0.15084964505489873,0.15141662282615928,0.15249867997614405,0.15313568053657342,0.15333089366773944],"n_dims_used":43,"mean_confidence":0.9132476629212846},"coverage":{"mean_confidence":0.9132476629212846,"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}}