{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001755},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001754","480:4800001810","480:4800001753","480:4800001809","480:4800001977","480:4800002081","480:4800002135","480:4800001580","480:4800002464","480:4800002224","480:4800001693","480:4800002040","480:4800001412","480:4800001480","480:4800002080","480:4800001925","480:4800002178","480:4800001694","480:4800001355","480:4800001305","480:4800002083","480:4800002316","480:4800002504","480:4800001372","480:4800001249"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6774539439197105,0.6460623534594945,0.5890463291103096,0.5319369575926914,0.4787399535892912,0.4684247245945048,0.46781132698358563,0.4642253795521597,0.46381970092486563,0.4541649603082446,0.44146074715606276,0.4356345211785616,0.4324059391581096,0.42792028021561046,0.42614506825347864,0.41864604272204664,0.41577746053251274,0.4088473467020913,0.40169780370429164,0.3926223939107024,0.39023491141796673,0.3883747172569338,0.35513112036855204,0.35243078006467204,0.35095032446900815],"twin_dists":[0.11461579249590512,0.12139746433488846,0.13361938186054312,0.14592602812341288,0.15763550052826708,0.1599492619577035,0.1600873845607317,0.16089610428494852,0.16098773089079166,0.16317681961107255,0.16608364170461024,0.16742747166188918,0.1681752211161561,0.16921787105870956,0.16963173771121856,0.17138802291504332,0.1720633666664132,0.17370327205399524,0.17540800416308164,0.17759185358659707,0.17817022519115977,0.17862200999844063,0.18688105707335634,0.18756871156534813,0.18794687979443056],"n_dims_used":42,"mean_confidence":0.9113582429431734},"coverage":{"mean_confidence":0.9113582429431734,"n_dims_used":42,"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}}