{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012191},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011809","490:4900011613","490:4900012188","490:4900011870","490:4900011805","490:4900011789","490:4900011547","490:4900011544","490:4900011034","490:4900011741","490:4900012190","490:4900011661","490:4900011869","490:4900011272","490:4900011920","490:4900012122","490:4900011658","490:4900009785","490:4900011804","490:4900010628","490:4900011730","490:4900012202","490:4900011201","490:4900012189","490:4900011478"],"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":[0.4566047837986509,0.4556297257474429,0.4150566881497646,0.37976632486200196,0.3630919076860936,0.33317362275535833,0.31282823611111715,0.30533195961831766,0.2376219556103959,0.23318036137778925,0.22842133032384548,0.2206954460067036,0.2204164998001213,0.21333596578703157,0.2071548443116654,0.20277572487521925,0.20191420331734783,0.1958028354538549,0.18229074269725473,0.17385473626719153,0.17215350082167763,0.17170979336369027,0.17166880304013166,0.16653013306356038,0.1634361816000298],"twin_dists":[0.1626220547352938,0.16284363272345548,0.1722333704882709,0.1807262313688689,0.18486932219697227,0.1925554324044477,0.19799799043064278,0.20005356957829415,0.22018029730713418,0.2216210644884091,0.22318494501737204,0.22577039600141163,0.22586486548470197,0.22829016950703188,0.23045229448958593,0.23201085460176607,0.23232018626410691,0.23454103152102737,0.23962827533946993,0.2429406468737433,0.24362243591102314,0.24380104863083676,0.24381756579689026,0.24591102325493608,0.2471940179464631],"n_dims_used":45,"mean_confidence":0.9139756944444445},"coverage":{"mean_confidence":0.9139756944444445,"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}}