{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003551},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002635","489:4890001990","489:4890002906","489:4890003431","489:4890003434","489:4890002550","489:4890002488","489:4890003552","489:4890003498","489:4890003071","489:4890002904","489:4890002975","489:4890003072","489:4890003490","489:4890002808","489:4890003492","489:4890003430","489:4890003489","489:4890003561","489:4890002893","489:4890003560","489:4890002905","489:4890002556","489:4890002072","489:4890003433"],"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":[0.9465971447222392,0.9415023309494841,0.9383286905116055,0.9327106130709855,0.9200303347508376,0.9129871164798183,0.9002629997598802,0.895665274302971,0.8934237544809078,0.8926876431626337,0.8923044770751001,0.8888435045062213,0.8882560878670209,0.8862404531019205,0.8850408231807516,0.8775227035219184,0.8769482036930635,0.8747438177499451,0.8706552177526807,0.8699316276511303,0.869475136022034,0.8654499748762992,0.8620635737792628,0.8542094812621622,0.8501242087556339],"twin_dists":[0.04302813614735974,0.04509411837188774,0.04633989229290569,0.04847652685823444,0.05302590566690818,0.05541655030266716,0.059535330913495985,0.06096871001678791,0.06165804971450319,0.06188312661683957,0.06200003513897104,0.06304843750569118,0.06322505348310965,0.06382824967791217,0.06418520338370921,0.066389228939444,0.06655540964706728,0.06719024064883906,0.0683562448329894,0.0685610996410209,0.06869010958235452,0.06982024054765275,0.07076104134054548,0.0729101123446913,0.0740108684396926],"n_dims_used":45,"mean_confidence":0.9145161946614583},"coverage":{"mean_confidence":0.9145161946614583,"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}}