{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002118},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002117","490:4900002268","490:4900002570","490:4900001661","490:4900010199","490:4900001530","490:4900009807","490:4900008300","490:4900003161","490:4900001254","490:4900010372","490:4900010373","490:4900010001","490:4900010375","490:4900003823","490:4900002424","490:4900002272","490:4900008967","490:4900009902","490:4900002110","490:4900001804","490:4900001803","490:4900003424","490:4900009695","490:4900002265"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6446745840909911,0.44947385471854434,0.3530992939465476,0.35024820526888656,0.33733738189543966,0.33303785126502294,0.33286041285881757,0.3032457044717854,0.29816765976147036,0.2837520492750712,0.27491150355864047,0.2684805256748748,0.26458155601809025,0.25089241613622376,0.24874839386756467,0.2474047641995102,0.24677397170751952,0.24320409002903026,0.24148022473927788,0.23666519712801226,0.2204450285177692,0.2184748091114712,0.20901083870776055,0.20743382016007222,0.20022969622130934],"twin_dists":[0.12169587500650912,0.16424656941766438,0.1873982173113524,0.188126520629136,0.19146439583872013,0.19259113321997834,0.19263780222463042,0.20063081218939924,0.20204558036235432,0.20614108764624278,0.20871489075406743,0.21061917410131206,0.21178748046290874,0.21597709829561004,0.21664632260808736,0.21706760102068695,0.21726588474492717,0.21839423711698555,0.21894294029672626,0.22048915348223436,0.2258552001176699,0.22652467872370347,0.2297985223789036,0.23035377123600012,0.23292764562044185],"n_dims_used":45,"mean_confidence":0.9187832302517361},"coverage":{"mean_confidence":0.9187832302517361,"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}}