{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000897},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000708","491:4910000709","491:4910000350","491:4910000537","491:4910000386","491:4910000487","491:4910000345","491:4910000771","491:4910000764","492:4920006633","491:4910000768","491:4910000581","491:4910000649","491:4910000347","491:4910000385","491:4910000388","491:4910000590","491:4910000703","491:4910000769","491:4910000887","492:4920006632","491:4910000340","491:4910000893","491:4910000582","492:4920006701"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,492,491,491,491,491,491,491,491,491,491,491,492,491,491,491,492],"twin_sims":[0.480482218789316,0.3487283924589768,0.33173716885065624,0.28117329813371406,0.2795391723078622,0.27496059707519666,0.2627251376414938,0.2540912906426544,0.23295202073958832,0.230065563259412,0.22985359817696613,0.21741502729694379,0.21407358058849932,0.2093010505093955,0.2048926029023252,0.1864847094957342,0.18227991299734034,0.17525448387050216,0.16759149874918197,0.16562373331642857,0.15837889604958585,0.15585841872503195,0.1535140862379108,0.15114558481741788,0.15085177834701033],"twin_dists":[0.15724631594138888,0.1885160197330141,0.19293354809874758,0.20688676290693658,0.20736143485213132,0.20870045957800307,0.2123475190362192,0.2149853673102878,0.2216956179100154,0.22264222050687507,0.2227120413232146,0.22688646831373516,0.22803500568987345,0.2296966534691511,0.23125459563354128,0.2380217796671368,0.23963245720968054,0.24238324714763074,0.24547486216889625,0.2462850916736752,0.24932959193360946,0.25041251124098884,0.2514313018057626,0.2524722465993542,0.25260220687473023],"n_dims_used":45,"mean_confidence":0.8989968193901909},"coverage":{"mean_confidence":0.8989968193901909,"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}}