{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003338},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003452","480:4800003346","480:4800003194","480:4800003512","480:4800003073","480:4800003443","480:4800003769","480:4800002901","480:4800003024","480:4800003287","480:4800003286","480:4800002982","480:4800003347","480:4800003150","480:4800003446","480:4800003296","480:4800003023","480:4800003391","480:4800003066","480:4800003067","480:4800002601","480:4800002984","480:4800003773","480:4800003187","480:4800003072"],"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":[0.442346397919557,0.42204644609140773,0.39625919080642746,0.38323107126327605,0.3736632558182406,0.2692001556197433,0.2485320323629504,0.23132468129686137,0.2212175806608008,0.20614323530074116,0.19862955176816885,0.1889311609763135,0.18559133659167873,0.18329734197595793,0.1724914813439097,0.16918462308565224,0.1676668944356568,0.16202578206650764,0.1531347207429212,0.14981275815206965,0.1480895993011873,0.14342333513098565,0.1351762731505075,0.12485946701618372,0.1147043401739221],"twin_dists":[0.1658799739216237,0.1705900188540446,0.1767139643873636,0.17987660118752946,0.18223202728876056,0.21040469448727633,0.2167140613508024,0.22222834175512018,0.2255937814380916,0.23081031639518554,0.23350795267416075,0.23709636539421003,0.2383618374862678,0.23924034210570636,0.2434866041453402,0.24482389586236794,0.24544395459952353,0.24778471632221669,0.25159723444856824,0.25306329917074927,0.25383321738777925,0.25595191563308384,0.2598253052496716,0.2649290841960143,0.27027610467641433],"n_dims_used":43,"mean_confidence":0.9137552837992824},"coverage":{"mean_confidence":0.9137552837992824,"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}}