{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002595},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004136","490:4900002297","490:4900001985","490:4900001986","490:4900002886","490:4900004402","490:4900004143","490:4900002444","490:4900005093","490:4900002737","490:4900001813","490:4900003855","490:4900004283","490:4900004544","490:4900002296","490:4900004130","490:4900002581","490:4900004550","490:4900002741","490:4900003858","490:4900004417","490:4900004553","490:4900005362","490:4900001548","490:4900005101"],"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":[0.665394043838935,0.6295652525636593,0.5507467635879051,0.5176299489506825,0.4958041797541131,0.488908584495445,0.47736101256300145,0.4758096235065388,0.4714795092191303,0.46638889596711125,0.44852494568100254,0.43116871739760215,0.4287697936904834,0.42435364902088035,0.41899430382956254,0.4125310547098563,0.4005930340460378,0.39286509370105316,0.39160301309318357,0.3844125094747161,0.3736689089183899,0.35918330703832463,0.3444316408979671,0.33597022598582366,0.33263101560122216],"twin_dists":[0.11722938663216732,0.1249397661698682,0.1418524525492564,0.14904416491348793,0.15384226233719853,0.15537025024645448,0.15794384867630465,0.1582911034837444,0.1592623080811356,0.16040792113674168,0.16446346150803107,0.16846236068477533,0.1690200684372327,0.17005010677219046,0.17130616732266238,0.1728300846355361,0.1756726353245552,0.17753315108962928,0.17783859886011733,0.17958773040772635,0.1822306269675893,0.18585419551820775,0.18962205650318262,0.1918218246827301,0.1926981573167453],"n_dims_used":45,"mean_confidence":0.9201436360677083},"coverage":{"mean_confidence":0.9201436360677083,"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}}