{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000004175},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["475:4750006277","500:5000004532","500:5000003461","475:4750003658","473:4730005640","468:4680002074","500:5000005021","473:4730005097","500:5000006428","475:4750006336","473:4730005532","473:4730006880","475:4750006522","475:4750004763","475:4750005739","475:4750006189","475:4750005579","475:4750003388","499:4990003145","473:4730006085","473:4730006764","500:5000004529","475:4750006674","473:4730006199","473:4730004372"],"twin_admin_codes":[475,500,500,475,473,468,500,473,500,475,473,473,475,475,475,475,475,475,499,473,473,500,475,473,473],"twin_sims":[0.456878129389966,0.4437075310285706,0.4284077776018329,0.405429454324413,0.404217457941077,0.38356486549615026,0.38228183174987923,0.3814348423196758,0.3757544034326331,0.3735460454751039,0.37310954306997035,0.3692216796373243,0.3670714554997963,0.3636442060545963,0.3631786051786721,0.36188075323811275,0.35862221981501763,0.3570399287152289,0.3567322902766105,0.3539419865376548,0.352493249817666,0.35125825193076204,0.35060193476410717,0.347484712238685,0.34498705955084896],"twin_dists":[0.16255996885936086,0.1655672694754454,0.16910434139908934,0.17451655760611604,0.17480568379379305,0.17979494282672262,0.18010900650522835,0.18031661156209455,0.18171474011196287,0.18226106364089262,0.18236923724463405,0.18333549800772497,0.18387207280856022,0.18473059138621278,0.18484753774920204,0.18517392472518507,0.18599602395340478,0.1863966006285974,0.18647458899798286,0.1871835402354872,0.1875527724864544,0.1878681542170246,0.1880359935900744,0.18883541514505245,0.1894786758496885],"n_dims_used":45,"mean_confidence":0.9223301357693142},"coverage":{"mean_confidence":0.9223301357693142,"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}}