{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010502},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011007","490:4900010850","490:4900010156","490:4900010847","490:4900010508","490:4900011087","490:4900010425","490:4900010336","490:4900010851","490:4900010587","490:4900010416","490:4900010593","490:4900010421","490:4900008344","490:4900010153","490:4900008012","490:4900010586","490:4900010755","490:4900010766","490:4900010767","490:4900011160","490:4900010507","490:4900008230","490:4900011091","490:4900010420"],"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":[0.3974484225460534,0.23587682829791876,0.2330504381829954,0.187564398851605,0.15745774984666,0.1562453599126828,0.15548641169535116,0.15483411499941685,0.1406729385715903,0.13957597706133637,0.13794512086991212,0.12707155287885816,0.12688951527375275,0.12382131752869713,0.1133036191379031,0.1081913569823733,0.10634365861375931,0.09764243907755618,0.09365874572299485,0.09219018585231821,0.09054989697605272,0.08865113827018892,0.0840580641969213,0.08306331363827127,0.07888806915034761],"twin_dists":[0.17642770153610854,0.2207442641949517,0.2216634786452471,0.23761232474282143,0.24972389292561809,0.25024543575789093,0.2505734245048287,0.25085625937923,0.25722478577761276,0.257737625693606,0.25850565524804914,0.2638086176317492,0.2639002623254268,0.2654601314733061,0.2710418112742463,0.2738999543279796,0.2749586979237896,0.2801464072060586,0.2826432580529464,0.28358483733997325,0.2846506417760913,0.28590365662953293,0.2890253043085454,0.2897192222238329,0.29270639752644995],"n_dims_used":45,"mean_confidence":0.8925379435221354},"coverage":{"mean_confidence":0.8925379435221354,"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}}