{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003659},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003531","490:4900002544","490:4900003933","490:4900003382","490:4900003802","490:4900003264","490:4900002837","490:4900004501","490:4900002245","490:4900003931","490:4900004083","490:4900004076","490:4900003386","490:4900003935","490:4900002835","490:4900003804","490:4900003393","490:4900004078","490:4900002983","490:4900002533","490:4900003138","490:4900001782","490:4900003793","490:4900002228","490:4900003384"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.1412730329052315,0.09568058538273166,0.08504879765077021,0.04276629698827715,0.03890368542102961,0.03736147205082729,0.03079363713197712,0.028639011283012758,0.028106432529199154,0.024892735513703825,0.023269927689139935,0.01674866469743006,0.01644664710082052,0.015187757010327204,0.014017943631892404,0.013245468912701742,0.011838421461605658,0.011785364857191696,0.011639359402920612,0.011576727750155382,0.011533526898461308,0.011123456482419946,0.01111659948936518,0.010876342246388247,0.010649017253618477],"twin_dists":[0.2569454960257402,0.28136580785042115,0.2883406725171773,0.32608610156109585,0.33094640665793557,0.333001592583614,0.3426544439369959,0.34620677230586483,0.3471201180961992,0.35297101047529994,0.3561779534954376,0.3714245375968323,0.3722499904171422,0.37584095280374663,0.37942102209663836,0.38193257077381737,0.3868605421196512,0.38705633822131197,0.3875992124972694,0.387833942831834,0.3879965085420628,0.3895671444179506,0.3895938423935663,0.39053866385984964,0.3914498775022994],"n_dims_used":45,"mean_confidence":0.9198793199327256},"coverage":{"mean_confidence":0.9198793199327256,"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}}