{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002769},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004303","490:4900002621","490:4900002307","490:4900006539","490:4900002647","490:4900003065","490:4900000915","487:4870001021","490:4900003879","487:4870002753","490:4900003876","490:4900000506","490:4900000219","490:4900003062","490:4900002905","490:4900003058","490:4900004183","490:4900002023","490:4900001200","487:4870001952","490:4900000397","494:4940004069","490:4900003701","490:4900000110","490:4900000236"],"twin_admin_codes":[490,490,490,490,490,490,490,487,490,487,490,490,490,490,490,490,490,490,490,487,490,494,490,490,490],"twin_sims":[0.2519631669014956,0.2236557210199996,0.2119845468720696,0.1961320515977541,0.19192729326913907,0.1878710702373216,0.18223806970165046,0.18070436407125953,0.17555485020785586,0.1689596816773708,0.16885028782879186,0.16644727118969638,0.16590632949524314,0.1637673015012769,0.15610221739831634,0.15526418247264237,0.1462736641463001,0.14622498762310873,0.14137409861765313,0.14137259989520107,0.14033835444822937,0.13714251648974782,0.13612454514715247,0.13529571488531827,0.13109035870460944],"twin_dists":[0.21564424677656352,0.22477273390807906,0.2287592200859999,0.23442018391264233,0.2359743781036829,0.23749632612950583,0.23964861657618616,0.24024273307341132,0.24226405102939064,0.2449155411213087,0.24496014188096793,0.24594515901246133,0.24616830695498343,0.24705587503220017,0.25030720730161554,0.25066968509977977,0.25465177975910314,0.2546738246452476,0.2568985460214612,0.2568992420693558,0.2573808900799257,0.2588861247444029,0.25937109220387533,0.25976796256713014,0.26181024403987735],"n_dims_used":45,"mean_confidence":0.9166610717773438},"coverage":{"mean_confidence":0.9166610717773438,"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}}