{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000581},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001071","490:4900000404","490:4900000691","490:4900000917","490:4900000576","490:4900001322","490:4900001323","490:4900000690","490:4900001321","490:4900002030","490:4900003887","490:4900001061","490:4900004035","490:4900000956","490:4900000181","490:4900000929","490:4900000707","490:4900000175","490:4900000727","490:4900000479","496:4960008028","490:4900000231","490:4900001451","490:4900002001","490:4900004165"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490],"twin_sims":[0.7095712875841221,0.6890434239594905,0.676554441103945,0.6640385140450499,0.6611967159719272,0.6299500883234675,0.626082044428613,0.6247450066644505,0.606173334429113,0.5584598241176929,0.5347705451478635,0.5276236419787425,0.5080536126505338,0.5055415142728853,0.47769657862342246,0.47187685384716443,0.47085951156731964,0.4569284333144901,0.45550868477234235,0.4483888824262797,0.44361339116883464,0.4350630771264803,0.43504614212147463,0.4253242384761014,0.40235083286175466],"twin_dists":[0.10758348359507584,0.11209168759823725,0.11481115647450338,0.11752243655903877,0.11813637511544542,0.12485723985973832,0.1256865482531402,0.12597312478986147,0.12995100024074321,0.14018897833323168,0.1453106331448973,0.14686410640331843,0.1511426922134153,0.15169485988373585,0.15786878554631742,0.15917306429885908,0.15940161020054663,0.16254854462937773,0.16287115081262785,0.1644945756136008,0.16558888509457165,0.16755965782438614,0.16756357627794766,0.16982334393390575,0.17525173541745726],"n_dims_used":45,"mean_confidence":0.9172722710503473},"coverage":{"mean_confidence":0.9172722710503473,"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}}