{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002092},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003078","489:4890003004","489:4890002661","489:4890002016","489:4890001852","489:4890003180","489:4890001839","489:4890003254","489:4890002168","489:4890001925","489:4890003322","489:4890003258","489:4890003182","489:4890001755","489:4890002090","489:4890003185","489:4890001841","489:4890002265","489:4890001683","489:4890003086","489:4890002923","489:4890002189","489:4890003181","489:4890002925","489:4890003590"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.7923651578608079,0.7319950987295522,0.7199482995737533,0.6755928460323876,0.6689842373158643,0.6651104582147864,0.6641139188598606,0.6372471506653644,0.630046442725337,0.625261850859386,0.6049126795204157,0.6037236443318917,0.6002455728896504,0.5974092244521815,0.5959563291655323,0.5958055757974972,0.5946722987661867,0.59373413760844,0.5907247998173948,0.5879930440004281,0.5814917344950502,0.5746811601750325,0.5725411126040458,0.569826457797788,0.5653084961043796],"twin_dists":[0.08860694591870225,0.10258957663107923,0.10528261926699818,0.11501992605656242,0.11645256295676974,0.11729070569328505,0.11750613841422881,0.12329155572451896,0.12483657644428117,0.12586235073651683,0.1302209410921354,0.1304755488925578,0.13122034106751482,0.13182777803390508,0.13213896364221125,0.13217125388113485,0.13241400259242672,0.1326149705749296,0.1332597075401007,0.13384511566979504,0.13523901158477167,0.13670051998124644,0.13716009294206785,0.13774331926589778,0.13871466956869297],"n_dims_used":45,"mean_confidence":0.9146874321831597},"coverage":{"mean_confidence":0.9146874321831597,"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}}