{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000978},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000443","494:4940006876","494:4940007518","490:4900000441","494:4940008254","490:4900000858","490:4900012383","490:4900000982","494:4940007941","490:4900000447","490:4900000365","490:4900012379","494:4940006763","494:4940007517","490:4900012519","490:4900012455","494:4940006993","490:4900000309","490:4900000541","494:4940008358","490:4900000261","490:4900000980","494:4940006998","490:4900012454","494:4940007217"],"twin_admin_codes":[490,494,494,490,494,490,490,490,494,490,490,490,494,494,490,490,494,490,490,494,490,490,494,490,494],"twin_sims":[0.15433353980951522,0.15255191350034486,0.10573019789527767,0.0956407813751405,0.08249059811466433,0.0798316364551107,0.07470264420751663,0.0677187759802498,0.06747858745455342,0.06652829119307464,0.0643866520754772,0.06328385228765311,0.06130361695304603,0.06097857549288811,0.060700540030828046,0.05949726252933895,0.05750540332202489,0.05451264484300764,0.049294972400799934,0.0492716575951206,0.048752951625815916,0.04800952124701871,0.04595783337456224,0.04506921370964553,0.04116221667563498],"twin_dists":[0.25107390004230157,0.2518527400211753,0.27531337330882094,0.2813907509517054,0.2901217538626542,0.2920204327551015,0.29583115017224176,0.3013755203845398,0.301574317917981,0.30236655008857827,0.3041863966883223,0.305142869319043,0.30689516861671634,0.30718721888423567,0.3074380504419433,0.30853460445259323,0.31039058903257793,0.31328152444879775,0.31865245691660427,0.31867749754669994,0.31923717173012756,0.32004804859561714,0.322341620992489,0.3233617002703574,0.3280576341594849],"n_dims_used":45,"mean_confidence":0.911037360297309},"coverage":{"mean_confidence":0.911037360297309,"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}}