{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003050},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002467","490:4900003598","490:4900002899","487:4870000847","487:4870000481","487:4870001486","490:4900001564","490:4900004007","490:4900003214","490:4900003325","487:4870000768","490:4900002150","487:4870001951","490:4900001870","487:4870002637","490:4900002328","490:4900002318","490:4900002491","490:4900002020","487:4870000927","490:4900008755","487:4870002114","487:4870001865","496:4960005690","490:4900003461"],"twin_admin_codes":[490,490,490,487,487,487,490,490,490,490,487,490,487,490,487,490,490,490,490,487,490,487,487,496,490],"twin_sims":[0.5324922337927267,0.5082190615239959,0.5023352338530763,0.48208815645627817,0.44498262426795004,0.391945441028691,0.3892030328993463,0.3739659200580904,0.3522047749057434,0.3493273078528064,0.34543277166850206,0.3226286632085487,0.31467874988486627,0.30214220864642727,0.2991087927686494,0.29841365481209114,0.29268632536604017,0.2886069563197808,0.281590324247672,0.28123279552971625,0.28114998082421416,0.28031571360264934,0.27989006625216784,0.2782205356510032,0.27502500575913574],"twin_dists":[0.1458053810431399,0.1511063512598798,0.15240067861063625,0.15688798119306532,0.16527466632203172,0.17775567943617834,0.17842071188669437,0.18215706942444823,0.18762638878800744,0.1883624230307902,0.1893637043036012,0.1953524071931264,0.19749490236391434,0.20093706927394236,0.2017823188721526,0.2019767216191303,0.20358867176365372,0.2047482334917785,0.20676589550749258,0.2068695120357254,0.2068935242078039,0.2071356600065451,0.20725936737851966,0.2077456958493587,0.20868152885999913],"n_dims_used":45,"mean_confidence":0.9178020901150173},"coverage":{"mean_confidence":0.9178020901150173,"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}}