{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012694},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900013207","490:4900013140","490:4900013097","490:4900013031","490:4900012488","490:4900012405","490:4900012886","490:4900012885","490:4900012888","490:4900012402","490:4900012559","490:4900012410","490:4900013210","490:4900013096","490:4900012898","490:4900012538","490:4900012941","490:4900013271","490:4900013270","490:4900012275","490:4900012893","490:4900012417","490:4900012992","490:4900013241","490:4900013178"],"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":[0.6804440384493567,0.5540668283582937,0.5419865446927681,0.4601125318153754,0.41008850883995296,0.36961175424183956,0.34622099754979774,0.28693922829050944,0.2814885353688977,0.27532541431885627,0.26420030976883235,0.25114388867563153,0.24162840190381513,0.22678639409368045,0.2243862445242816,0.21627670732318074,0.21120176398237722,0.19395372796460197,0.19064202739416697,0.18544135602192355,0.1647647463001994,0.15377065428278797,0.1535377196738913,0.15350971258631077,0.13960458691183675],"twin_dists":[0.11396583517471988,0.14113598281251652,0.14374637132708715,0.1618263405033619,0.17340868268014092,0.18323832460461603,0.18916057336512135,0.20522510166367838,0.20679538714742285,0.20859326994765687,0.21190229286523604,0.21589884472734902,0.21889567633502466,0.22372716887099794,0.22452789155469868,0.2272763925901622,0.2290318356138371,0.235222428853719,0.23645417343519257,0.23841903955033664,0.2466409593929698,0.2513192505317632,0.2514209746084531,0.25143321310566247,0.25772421221022945],"n_dims_used":45,"mean_confidence":0.905436282687717},"coverage":{"mean_confidence":0.905436282687717,"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}}