{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002028},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001453","490:4900002025","490:4900002491","490:4900002343","490:4900003216","490:4900001199","490:4900002495","490:4900001202","490:4900001452","490:4900001729","490:4900002193","490:4900003354","490:4900001710","490:4900000946","490:4900002333","490:4900003222","490:4900002035","490:4900002482","490:4900001722","490:4900001201","490:4900004323","490:4900002191","487:4870001961","490:4900003623","490:4900005934"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490],"twin_sims":[0.8022533252204068,0.6892693348999738,0.6884860791417688,0.6828838792090224,0.6760514488556641,0.6699425850094801,0.662603478649745,0.6413433644058115,0.6356202605395314,0.5574191260241171,0.5499989935411532,0.5431751090328993,0.534546511380076,0.5331871736712888,0.5296472347402674,0.522733897655794,0.514965768519919,0.5057452377596089,0.5024294623698137,0.4902395628269797,0.48815352971952725,0.48694999619882584,0.4769152305426734,0.4683006206855759,0.4565807581916067],"twin_dists":[0.08621374348220998,0.11204234870962779,0.11221338790271582,0.1134348559596877,0.11492037017506095,0.1162450323658559,0.11783253055506557,0.12241182620149292,0.12364078047087097,0.14041322417972826,0.14201391623156573,0.1434890960528159,0.1453592643040286,0.14565442526770422,0.14642380415797904,0.14792957742070972,0.1496270039881527,0.1516500537207037,0.1523799180844067,0.15507482626070568,0.15553794978931398,0.15580542020095123,0.15804359257259865,0.15997720223483475,0.16262751239306375],"n_dims_used":45,"mean_confidence":0.9161656697591146},"coverage":{"mean_confidence":0.9161656697591146,"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}}