{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009971},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010071","490:4900009974","490:4900011670","490:4900011191","490:4900008949","490:4900011190","490:4900010185","490:4900009969","490:4900011734","490:4900008721","490:4900011469","490:4900004808","490:4900011266","490:4900009375","490:4900012209","490:4900009890","490:4900010072","490:4900004654","490:4900011197","490:4900011403","490:4900011729","490:4900011731","490:4900009465","490:4900011119","490:4900011192"],"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":[0.5218737260364394,0.4161091134349131,0.40417295704550327,0.3896043648475955,0.3876284589909639,0.3646431508616332,0.3548776356258283,0.3385285938966769,0.33212559962922117,0.3308930035894241,0.3282113603612729,0.32034044559118524,0.3124655831414711,0.30860271676041007,0.2960456721191383,0.2933453805101724,0.2908501351953016,0.2877385824404402,0.2815415082503123,0.2714506035484939,0.2667830232660193,0.26577258925791114,0.25830096160474203,0.2530933449307543,0.25286814990293704],"twin_dists":[0.1481172407005203,0.1719851845072142,0.17481630702266632,0.1783232522578008,0.1788035397776323,0.18447993856326364,0.18694549264404564,0.1911536028493026,0.19283121396879432,0.1931561741312665,0.1938654605558742,0.19596600874217046,0.1980967810537767,0.19915316006885025,0.20264095623687278,0.2034022383300874,0.20410941076931774,0.20499632884436803,0.20678003832764882,0.20973624693234033,0.21112651656765324,0.21142946376632943,0.21369226696614044,0.2152938982010762,0.21536362777338067],"n_dims_used":45,"mean_confidence":0.919536844889323},"coverage":{"mean_confidence":0.919536844889323,"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}}