{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003728},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004307","490:4900004292","490:4900004304","490:4900001996","490:4900003866","490:4900002639","490:4900003058","490:4900003084","490:4900004009","490:4900004008","490:4900002601","490:4900002603","490:4900003865","490:4900002900","490:4900001704","490:4900004022","490:4900001847","490:4900003199","490:4900002604","490:4900003593","490:4900003456","490:4900003209","490:4900003464","487:4870011453","490:4900003457"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490],"twin_sims":[0.8728213964779342,0.8721399702213177,0.7974150318926828,0.7049316200279976,0.6966834615681307,0.679471231256519,0.6722661489599405,0.6228603616424142,0.5709307636569992,0.5616750238432778,0.545501145943476,0.540096851384478,0.5307653647511786,0.5119441089422305,0.4935430404300805,0.4905567433188471,0.48694897450693675,0.47611541745816616,0.474737640169047,0.4721865598984291,0.47129047334633883,0.4659890968675824,0.4637771654439763,0.45507356024454054,0.45430774298027427],"twin_dists":[0.06774030405931926,0.06793450062631051,0.08738922041929363,0.10860714280950842,0.11041991471590576,0.11417738618857814,0.11574155516359988,0.12637700893199535,0.1375060302322384,0.1394965472858001,0.1429858973908439,0.14415562636924623,0.1461806709358815,0.15028895000317322,0.15434261440817842,0.15500446030521176,0.1558056473447309,0.15822262702643078,0.15853126662096523,0.15910352160144167,0.15930477446407376,0.16049807403164998,0.1609973395772701,0.16297009631192405,0.16314432389620528],"n_dims_used":45,"mean_confidence":0.9179941813151041},"coverage":{"mean_confidence":0.9179941813151041,"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}}