{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004553},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002737","490:4900004136","490:4900005101","490:4900002444","490:4900003445","490:4900004425","490:4900002138","490:4900002595","490:4900004402","490:4900002741","490:4900001680","490:4900005231","490:4900003987","490:4900001681","490:4900004544","490:4900003447","490:4900003991","490:4900003848","490:4900001985","490:4900001824","490:4900001986","490:4900003067","490:4900004550","490:4900003341","490:4900001146"],"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":[0.653861369129997,0.40510678319017757,0.40202368624524104,0.3940235359996394,0.39360439472728936,0.38417401325248135,0.35950818458883976,0.35918330703832463,0.35502776016332976,0.35292683397076774,0.34270799193754914,0.33919616956939735,0.3356479005852204,0.32263215472270984,0.31738795745091014,0.31061278576803214,0.3067245882269787,0.30438304349833284,0.302567814428091,0.30252257768198487,0.29088135579755947,0.28543308647051124,0.28296714467554923,0.2811058043277836,0.2734196982618537],"twin_dists":[0.11971862698217338,0.17459349421367545,0.17533000671638874,0.17725318705339335,0.1773544379723322,0.1796460103772849,0.18577212664995438,0.18585419551820775,0.18690732826211448,0.1874421845149945,0.1900677983669133,0.19097968662489825,0.1919062079451477,0.19535147278098472,0.19676138384820954,0.1986025274214352,0.1996695149819022,0.20031583926055405,0.20081887245218416,0.2008314307473577,0.20410054037759914,0.20565719593029372,0.20636761664035996,0.2069063349615469,0.20915416700761358],"n_dims_used":45,"mean_confidence":0.9211324055989584},"coverage":{"mean_confidence":0.9211324055989584,"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}}