{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990001970},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990004221","499:4990003999","485:4850000549","499:4990002660","488:4880000692","477:4770001483","477:4770002071","477:4770001126","499:4990002398","499:4990003916","477:4770001954","481:4810002247","479:4790001248","467:4670000517","477:4770001309","467:4670000896","470:4700002096","500:5000003616","479:4790001117","484:4840000816","499:4990004043","499:4990001020","470:4700005146","499:4990002491","499:4990003328"],"twin_admin_codes":[499,499,485,499,488,477,477,477,499,499,477,481,479,467,477,467,470,500,479,484,499,499,470,499,499],"twin_sims":[0.5188657048778461,0.457925460847486,0.4565211408189642,0.3837475930908508,0.3515839980361195,0.32943211179718906,0.32244665802634276,0.3171314340212138,0.3154859742710334,0.31069837756451313,0.23935184315825186,0.23301399958519983,0.22866318271870498,0.2268869169502612,0.22538436373440182,0.2224749976400511,0.22130111848517903,0.20533183736256755,0.20522388952834716,0.20491991436292675,0.20333300468653245,0.1973365764000281,0.19564514286100657,0.1936639866119469,0.18894182249765068],"twin_dists":[0.1487740666290476,0.16232220914347417,0.16264105552699182,0.17975025532389985,0.18778491228569577,0.1935421821257506,0.1954011239209596,0.19683068548736957,0.19727597351124068,0.19857912604019398,0.21962391468989262,0.22167537701823029,0.223104953386242,0.22369375606186306,0.22419421762909666,0.22516959441360704,0.22556555024206823,0.23109834956607742,0.23113672794379994,0.23124487362154095,0.23181124220635668,0.2339792247835887,0.23459896671759903,0.2353296071808719,0.23709235090951847],"n_dims_used":45,"mean_confidence":0.9281323750813802},"coverage":{"mean_confidence":0.9281323750813802,"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}}