{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003332},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003761","480:4800002891","480:4800003144","480:4800003282","480:4800003624","480:4800003760","480:4800003145","480:4800002799","480:4800003684","480:4800003102","480:4800002978","480:4800002890","480:4800003103","480:4800002843","480:4800003498","480:4800002845","480:4800003279","480:4800003559","480:4800003188","480:4800002801","480:4800003108","480:4800002847","480:4800003622","480:4800003623","480:4800003688"],"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":[0.8448157860931349,0.7836791349152726,0.7808283792199712,0.6173390389299871,0.6139592208818916,0.5983947224795939,0.5649489722725863,0.5423202564980073,0.5040181635623034,0.4950434229858195,0.4882577146031299,0.48303394972105207,0.4537436207406212,0.453121250801688,0.449469908763889,0.4280830800996523,0.4245938086359827,0.4231520833024895,0.4182089989826072,0.4140184001154228,0.40115273539953383,0.3886496392952365,0.37330196502766494,0.3637461784665063,0.35040159511973584],"twin_dists":[0.07542492130893096,0.09068096915429057,0.0913563210906805,0.12755987718970616,0.12828375326030436,0.13161671390200297,0.13879200607729938,0.14367412606861818,0.15203005331534872,0.15401053115054397,0.1555148054082356,0.15667712126527397,0.1632727335575144,0.16341447004200033,0.16424747098829368,0.1691799518950428,0.16999397721210363,0.17033113325188715,0.17149078709078053,0.17247848875049476,0.1755385259536651,0.17855517577390603,0.1823215437428778,0.18470498878436425,0.18808725897303977],"n_dims_used":42,"mean_confidence":0.9119408017113095},"coverage":{"mean_confidence":0.9119408017113095,"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}}