{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000680},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001306","487:4870001684","487:4870000689","487:4870000682","487:4870001950","487:4870001292","487:4870000684","487:4870001768","487:4870002375","487:4870000759","487:4870001304","487:4870001683","487:4870001680","487:4870001590","487:4870001584","487:4870000540","487:4870000604","487:4870001027","487:4870001954","487:4870002641","487:4870001024","487:4870001864","487:4870001497","487:4870000761","490:4900001993"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,490],"twin_sims":[0.7294653343426277,0.7111171135529566,0.5991753720005393,0.5226367845540573,0.5207262238475043,0.5161738740413747,0.5003139350303347,0.476624291501519,0.46770344782106676,0.4611099384144141,0.45903903422098347,0.4426379198599913,0.4398594424855692,0.4374255939952273,0.426630778835851,0.42239625317716556,0.42074086584137876,0.4132372876338433,0.4130633700786377,0.388520691736927,0.38776391879273914,0.38098907949073785,0.3705611222130358,0.3674635597426608,0.3601693214390191],"twin_dists":[0.10315721019649297,0.10724175263947021,0.1314495287214757,0.14795076098755597,0.14836770223637033,0.1493626175620341,0.1528462717167636,0.15810870661492002,0.16011168278512328,0.16160048039299726,0.16206962603692354,0.16581296893282485,0.16645228796780426,0.16701360754756886,0.16951843028666194,0.17050808057731187,0.1708960887202574,0.1726630686367196,0.17270418662460468,0.1785865204683639,0.17877057648983236,0.18042596128109087,0.1830020358090952,0.18377410876483918,0.18560523069154297],"n_dims_used":43,"mean_confidence":0.9073129698287609},"coverage":{"mean_confidence":0.9073129698287609,"n_dims_used":43,"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}}