{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000740},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000738","480:4800000853","480:4800000667","480:4800000774","480:4800000739","480:4800000669","480:4800000896","480:4800000483","480:4800000704","480:4800000778","480:4800000592","480:4800000701","480:4800000517","480:4800000556","480:4800000589","480:4800000552","480:4800000555","480:4800001387","480:4800001333","480:4800000326","480:4800000627","480:4800000854","480:4800000813","480:4800000668","480:4800001216"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6578115564565555,0.6172902296919166,0.5878429418159782,0.4451543978913985,0.38855501635846107,0.3648991784727522,0.338608080151017,0.30897746830389083,0.2871088321106524,0.28444211857529517,0.2837175521932936,0.2670838079936344,0.2652537080061185,0.2638157090408925,0.26285807719241566,0.25448017704658504,0.2460020717719779,0.23406659950363773,0.21786732031007386,0.21090852076034702,0.21002473767627147,0.20804954726804623,0.20105436605136257,0.20096116063916172,0.1968138781387417],"twin_dists":[0.11886698535095937,0.1275703318820901,0.1338772865718112,0.1652352729845108,0.1785781763283481,0.18441575254616538,0.19113288548832819,0.19905034595556217,0.20517652966282487,0.20594224076320763,0.20615103579801525,0.2110364734726821,0.21158531284314014,0.21201822032825757,0.21230733215313177,0.21486534530304316,0.21750896799847894,0.22133216000537026,0.22673191938003082,0.22913413828406048,0.2294430456912309,0.2301366401315461,0.2326298192179442,0.2326634377880131,0.23417034750949486],"n_dims_used":43,"mean_confidence":0.9252507409384084},"coverage":{"mean_confidence":0.9252507409384084,"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}}