{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001231},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002530","490:4900002679","490:4900001104","490:4900002978","490:4900004488","490:4900002078","490:4900001364","490:4900002229","490:4900002827","490:4900002826","490:4900001920","490:4900003935","490:4900001631","490:4900001362","490:4900002081","490:4900003667","490:4900002828","491:4910001275","490:4900002838","490:4900002381","490:4900003138","490:4900004221","490:4900001772","490:4900001766","490:4900002231"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490],"twin_sims":[0.43575220583080554,0.39097034227537253,0.34696400656793097,0.24150009200691505,0.17517285196536614,0.1535406698703705,0.13536161874011782,0.12611708205492633,0.11733652948876153,0.1162492433042886,0.11557833429015887,0.11433602880857091,0.11416114118635162,0.10549992476782591,0.10056912573110022,0.10019215036913194,0.08481239613256292,0.08256093396556219,0.08121315151634605,0.07915925327813739,0.07659884114893896,0.07421307416769171,0.06575431967734936,0.06456912888507411,0.05552291946213251],"twin_dists":[0.16740025748792225,0.17799189011041994,0.18896931881990106,0.21893660215802993,0.2424156667742385,0.2514196855310906,0.25973633909420857,0.26429024699597264,0.268856447784864,0.2694398752761306,0.2698019713688549,0.2704767422787189,0.2705721864638451,0.275446919849061,0.278362565430487,0.27859003482808253,0.2885034542166196,0.2900721983814012,0.2910277216912587,0.29250857770601724,0.29439846860471774,0.2962058079227726,0.3030186333788999,0.3040294265206189,0.3122912663479903],"n_dims_used":45,"mean_confidence":0.9123903062608507},"coverage":{"mean_confidence":0.9123903062608507,"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}}