{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000000},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000010","480:4800000006","480:4800000002","480:4800000131","480:4800000106","480:4800000132","480:4800000133","480:4800000023","480:4800000001","480:4800000135","480:4800000041","480:4800000042","480:4800000024","480:4800000136","480:4800000137","480:4800000171","480:4800000227","480:4800000166","480:4800000108","480:4800000196","480:4800000165","480:4800000164","480:4800000226","480:4800000245","480:4800000243"],"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":[0.7847274979830436,0.7366941068404487,0.7233030302876791,0.5881639032761518,0.5817114501942572,0.4667977753694805,0.4226788514160348,0.4103081574697955,0.37541397403788573,0.3525324888186413,0.3279367458404236,0.3086172686802171,0.28973670910793065,0.2847099572074159,0.22157217982312874,0.2189759233037904,0.19624206496912253,0.1867926683832404,0.1677310806004983,0.1638464408728844,0.15954993496517447,0.1446252899222632,0.14238043894590435,0.1375617191877127,0.1355229120932457],"twin_dists":[0.09043196228330014,0.1015320374580695,0.104535169763159,0.13380849655341606,0.1351918859854946,0.16031574820412278,0.17044190600162404,0.17335658999935527,0.18179885576297772,0.1875427614565139,0.1939382749665562,0.1991491663714705,0.20442612864439458,0.20586514003433704,0.22547399542530078,0.22635401801835744,0.2343798319000623,0.23790482195254348,0.24541765012581818,0.2470228880951527,0.2488307282028685,0.2554013469565682,0.256432408446144,0.2586871972323054,0.2596589923639909],"n_dims_used":42,"mean_confidence":0.9020531972249349},"coverage":{"mean_confidence":0.9020531972249349,"n_dims_used":42,"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}}