{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001931},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002023","491:4910001870","491:4910001935","491:4910001147","492:4920006837","491:4910001590","492:4920004011","492:4920005918","492:4920005753","491:4910001409","492:4920006943","492:4920006915","491:4910001288","492:4920006903","492:4920006202","492:4920005003","491:4910002169","492:4920005959","492:4920005615","491:4910000948","491:4910001146","492:4920007082","491:4910001768","491:4910001212","492:4920006172"],"twin_admin_codes":[491,491,491,491,492,491,492,492,492,491,492,492,491,492,492,492,491,492,492,491,491,492,491,491,492],"twin_sims":[0.4666098694551086,0.35225557355532566,0.29875283975402767,0.2701571742360628,0.23907790702303722,0.22916096655555135,0.22784404624311083,0.2268607611897775,0.22313167551360055,0.2220537668836077,0.21585965581320457,0.21368595402958768,0.20775150383920704,0.20449705198334273,0.19285744780959646,0.189730624105844,0.18603687046886647,0.1804536443287751,0.1772774427385402,0.17606171843963064,0.16839182971212363,0.16702763639740467,0.16671453692194932,0.16471215359661187,0.16289847771721913],"twin_dists":[0.1603581040380432,0.18761342313517637,0.20188183180938146,0.2101200122150499,0.21971184575281388,0.22294048938880506,0.2233761059504723,0.22370244903472983,0.22494870137505205,0.22531151697259175,0.2274195967323932,0.22816902349871898,0.23024168790575567,0.231395498781989,0.23562854281020995,0.23679577452461473,0.23819210386068518,0.2403401940365051,0.24158325496008679,0.24206323665947074,0.2451472852853614,0.24570632896093125,0.2458351002174395,0.24666279140668426,0.24741877984826255],"n_dims_used":45,"mean_confidence":0.8987874348958333},"coverage":{"mean_confidence":0.8987874348958333,"n_dims_used":45,"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}}