{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000006949},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000003288","500:5000006691","500:5000011151","500:5000006014","498:4980000229","500:5000008242","473:4730003928","499:4990001726","500:5000007208","475:4750007744","500:5000007195","475:4750007473","500:5000007341","473:4730003225","498:4980000235","500:5000008861","473:4730003587","500:5000007473","473:4730009163","475:4750008961","498:4980000903","478:4780003936","500:5000006090","473:4730003826","500:5000003128"],"twin_admin_codes":[500,500,500,500,498,500,473,499,500,475,500,475,500,473,498,500,473,500,473,475,498,478,500,473,500],"twin_sims":[0.3419976624188091,0.3327233727961451,0.2752663155572399,0.2492056779454995,0.24113218624737048,0.23356558772777417,0.22123011298838424,0.21284026051103713,0.19113461456246222,0.18680605597680577,0.18316422276438094,0.1827327924285492,0.18257808528056219,0.17738062153638026,0.1771352175361544,0.17435582944125405,0.17196503684384393,0.16714055589904678,0.1664286710862891,0.1613706767239746,0.1597325713364585,0.15775891726414928,0.15512101383987703,0.15435109496476182,0.1542602387922242],"twin_dists":[0.19025183955868444,0.1926738551372728,0.2086106282810065,0.21650327958569923,0.21905402786153932,0.22149539630790113,0.2255895457453965,0.22846198471294243,0.23627002254036727,0.23789974063640276,0.23929155851331027,0.23945772810676344,0.23951738251459298,0.241542626719442,0.24163928589324937,0.24274073754189682,0.24369826103953024,0.24565993021824048,0.24595282319064143,0.2480603537314082,0.2487531653878554,0.2495947921624187,0.2507317532806248,0.2510662586518631,0.25110581331644954],"n_dims_used":45,"mean_confidence":0.924253167046441},"coverage":{"mean_confidence":0.924253167046441,"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}}