{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003136},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003951","490:4900003128","490:4900002847","490:4900003397","490:4900003520","490:4900003650","490:4900001119","490:4900002699","490:4900003123","490:4900004218","490:4900002084","490:4900003389","490:4900003122","490:4900002984","490:4900002549","490:4900003655","490:4900004087","490:4900002394","490:4900004225","490:4900002981","490:4900007553","490:4900004487","490:4900003670","490:4900001113","490:4900003260"],"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":[0.5316401038364543,0.4270047318855372,0.33591888240807083,0.31095735480532044,0.2992028115799759,0.256793328249379,0.25228348540440976,0.2286146806816632,0.19131125426564627,0.15388317566753473,0.12965686344899305,0.12052842659800081,0.10991211578827378,0.10625864687383504,0.06767051454274517,0.06314860450781755,0.05303908612687212,0.042296033962237425,0.03810899266363898,0.03790802951766621,0.029311870148166684,0.026493902962865204,0.024640874383675265,0.024342255182080948,0.02344988015824509],"twin_dists":[0.14599053745477414,0.16943123016028028,0.19183526325049083,0.19850834235262094,0.2017560458405984,0.21415382929065196,0.21554484847230196,0.22312099073852412,0.23620406748800712,0.2512701521568173,0.26251767757474537,0.26716729807189116,0.27292647975042816,0.27500775282941975,0.3014154189175116,0.3052611086766556,0.3147535014900832,0.32665754468298713,0.3319966354278624,0.3322651544097144,0.3450734929574273,0.3499793646894176,0.3534566398011779,0.35403802115387834,0.35581295409945013],"n_dims_used":45,"mean_confidence":0.9179755316840278},"coverage":{"mean_confidence":0.9179755316840278,"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}}