{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003751},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003630","489:4890004320","489:4890003931","489:4890003757","489:4890004322","489:4890003930","489:4890003632","489:4890003927","489:4890003631","489:4890003743","489:4890003626","489:4890004274","489:4890003813","489:4890003868","489:4890003686","489:4890004004","489:4890004007","489:4890003674","489:4890003860","489:4890004281","489:4890003807","489:4890003812","489:4890003750","489:4890004068","489:4890003923"],"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":[0.8559730530775836,0.7809262086960997,0.7751870661900263,0.7723701016456612,0.76801895466359,0.7297581464569297,0.7254904922085786,0.7163663656493104,0.7134196370827671,0.7114298801094938,0.7092024194043162,0.7086947194482287,0.7022764826185198,0.7022185346034931,0.6939730567171939,0.6919264873175719,0.6855684806987992,0.6755705208786177,0.6734849897472095,0.6707711844887727,0.6682165982409766,0.6664024938648337,0.66460292869363,0.6622691920161545,0.6607381389888021],"twin_dists":[0.07243140639387721,0.09133318707556366,0.09268542682711071,0.09334559937520175,0.09436091907720419,0.10309156793480372,0.10404678141527712,0.10607868892470898,0.10673209588643294,0.1071725683335845,0.1076649776071348,0.10777711218403638,0.10919163865410733,0.10920438487141747,0.11101376756111518,0.11146160539461861,0.11284992711990632,0.11502477204141245,0.1154772736238624,0.11606553943400093,0.11661874318664872,0.11701128346873674,0.11740043288906349,0.11790474503747445,0.11823539314875176],"n_dims_used":45,"mean_confidence":0.9169825236002604},"coverage":{"mean_confidence":0.9169825236002604,"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}}