{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001434},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001441","480:4800001257","480:4800001435","480:4800001382","480:4800001889","480:4800001716","480:4800001320","480:4800001881","480:4800001822","480:4800002451","480:4800001338","480:4800001383","480:4800002398","480:4800002352","480:4800001620","480:4800001258","480:4800001321","480:4800001721","480:4800002543","466:4660004802","496:4960009123","493:4930001880","480:4800001377","480:4800001386","480:4800001833"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,466,496,493,480,480,480],"twin_sims":[0.6763895177580896,0.47009531643815095,0.46119230859018284,0.28745567318786575,0.2470421577590951,0.2158403962736809,0.20081539053220446,0.20053151927667648,0.20006017566162762,0.18629016330033404,0.1818716323497035,0.14325684701942817,0.13802392905402425,0.1376405819245605,0.13020222885613628,0.12904137262880933,0.12020004254436688,0.1081585781627152,0.10409624318612946,0.10339898941153738,0.10239014157902132,0.10107814131524327,0.09824342362199653,0.0953334507806593,0.09294317727847715],"twin_dists":[0.11484696844353066,0.15957339574480167,0.16158183563194758,0.2050772530673428,0.21718154322736613,0.2274262144355516,0.23271603762071885,0.23281854551261832,0.23298897199410823,0.23809573503070586,0.23979024228093593,0.2560284470905616,0.2584683860625891,0.2586498245799843,0.26224784604452606,0.2628232367927134,0.2673394886303715,0.27391861414925467,0.2762659244564857,0.27667595158119734,0.27727304820047133,0.2780564780960463,0.27977671452381175,0.28158361463729326,0.2831005831583418],"n_dims_used":43,"mean_confidence":0.9199458277502726},"coverage":{"mean_confidence":0.9199458277502726,"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}}