{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003296},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003194","480:4800003512","480:4800003400","480:4800003443","480:4800003347","480:4800002908","480:4800002660","480:4800003115","480:4800003073","480:4800002653","480:4800003702","480:4800003346","480:4800003452","480:4800002943","480:4800002953","480:4800003072","480:4800003203","480:4800003116","480:4800003508","480:4800003025","480:4800002901","480:4800003391","480:4800003348","480:4800002985","480:4800002601"],"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":[0.5387675728808473,0.4963360977785932,0.4475692669947116,0.4357091649724981,0.4272195706929306,0.38127830920464484,0.3740719021882247,0.35370368496453297,0.3343214814537335,0.3160867125426101,0.2973084042385912,0.2870292950596377,0.28112064288259847,0.277396615239945,0.27045357978068657,0.26516930289089524,0.2643552761935591,0.25539095715159854,0.2531366413241819,0.24993490849406924,0.24131409705205292,0.23852813016846208,0.2381223334216251,0.2367337582665046,0.20204258649496767],"twin_dists":[0.14444367229795807,0.15372465356028403,0.1646820755758305,0.16741021019995955,0.16938114728716527,0.1803550035604077,0.18213082892908988,0.18724422095386703,0.1922539216300105,0.19711325208832647,0.20228636454447585,0.20519930574404704,0.20690203178909863,0.20798635595990436,0.2100319675682466,0.21161068238056804,0.21185561222223837,0.21458470593325174,0.21528049639468747,0.2162755161595185,0.218995952279753,0.21988851724510447,0.22001909068842776,0.22046699382642163,0.23227403250219641],"n_dims_used":43,"mean_confidence":0.9135767027389171},"coverage":{"mean_confidence":0.9135767027389171,"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}}