{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002598},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002597","489:4890003096","489:4890002678","489:4890002188","489:4890001749","489:4890002018","489:4890002596","489:4890002587","489:4890002006","489:4890002019","489:4890003098","489:4890002516","489:4890001767","489:4890001757","489:4890002017","489:4890002507","489:4890002105","489:4890001851","489:4890001836","489:4890001919","489:4890002940","489:4890002186","489:4890002681","489:4890001830","489:4890002271"],"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":[0.7795506086852719,0.7738774420624992,0.6755344515541639,0.672595231775986,0.6641682273633508,0.6532877524875972,0.6447763769640551,0.644516578003286,0.6409129771326287,0.6395633004579113,0.6377559561195497,0.6296759589367299,0.6245930749876852,0.6212841281488053,0.6170871606209389,0.6154243693551177,0.6070486913251485,0.6054920107710201,0.6018716400643747,0.5937041422137138,0.5870134620064245,0.5824439961071198,0.5751642088528068,0.5706637266174149,0.5479620539482832],"twin_dists":[0.09165820849023835,0.09299262906193786,0.11503260129649424,0.11567021239890772,0.11749439981359915,0.11984221844770053,0.12167398966005703,0.12172984517668584,0.12250429067468967,0.12279420599322469,0.12318231682080034,0.12491602610195225,0.1260056868605714,0.12671474671537244,0.12761382793001266,0.12796996843831565,0.1297635628078795,0.130096890124127,0.1308721279933128,0.13262139624095726,0.13405507505080622,0.1350347761335151,0.13659680923033052,0.13756340553569724,0.14245392994738507],"n_dims_used":45,"mean_confidence":0.9178873697916666},"coverage":{"mean_confidence":0.9178873697916666,"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}}