{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004521},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004241","490:4900001959","490:4900003830","490:4900001947","490:4900004242","490:4900002701","490:4900002423","490:4900003428","490:4900002422","490:4900001523","490:4900002405","490:4900004246","490:4900003558","490:4900009692","494:4940008990","490:4900011680","490:4900010095","490:4900009487","490:4900004106","490:4900003547","490:4900002257","490:4900003968","490:4900011279","490:4900004256","490:4900004105"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4378279613124113,0.36569846536426814,0.3627992460833084,0.28944716858393355,0.2786681074893249,0.27418947397833526,0.2680410282456273,0.2613066177075494,0.2512357589044432,0.25026011007988486,0.237258700263555,0.22640127304625055,0.21084592551172063,0.1916513512314009,0.1878520467694304,0.18368032250494007,0.17776572638872282,0.17769157798119856,0.17343885581738666,0.1704249250160047,0.1700169111215668,0.16237841126290875,0.1609632392982199,0.1516014966993873,0.14916482523180846],"twin_dists":[0.16692072471394426,0.1842155174929484,0.18494287863912823,0.2045086082562219,0.2076151459271453,0.2089273160956704,0.2107503378549766,0.21277712499939902,0.2158702688957779,0.21617408169528965,0.22029746592744295,0.22385527028420765,0.22915598815545105,0.23607719908690583,0.2375035179028224,0.23909313996625703,0.24139113394314257,0.24142028434475796,0.24310687361616473,0.24432013969060312,0.2444855656468378,0.24763668115361176,0.24823219405257257,0.2522709490514611,0.25335202985450656],"n_dims_used":45,"mean_confidence":0.9247285630967882},"coverage":{"mean_confidence":0.9247285630967882,"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}}