{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004430},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003329","490:4900004444","490:4900003462","490:4900002902","490:4900004567","490:4900003594","490:4900002456","490:4900003603","490:4900004431","490:4900002903","490:4900002319","490:4900003878","490:4900001469","490:4900003758","490:4900003358","490:4900003338","490:4900001732","490:4900002472","490:4900003072","490:4900004161","490:4900002754","490:4900004295","490:4900004015","490:4900003466","490:4900002320"],"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":[0.7711543489294065,0.7533626225725295,0.7462388254521202,0.6719766106151334,0.6715454290506372,0.6414841578610238,0.6294959601759413,0.5883641140027355,0.5865019058378386,0.579324725760576,0.5786336097955205,0.5633879418606443,0.5365266789330734,0.5330024132248065,0.5022638460922277,0.4949320240507428,0.4846116498914283,0.4652679225324667,0.44306090925429675,0.42731336956684446,0.40865702223740563,0.40064253832578084,0.396395324797586,0.39430563531894713,0.3786212414551953],"twin_dists":[0.09362981960970446,0.0977444393592833,0.09937046421543955,0.11580431748921512,0.11589777046605661,0.12238157642469613,0.1249546251792479,0.1337655875222985,0.1341647282775307,0.13570387731902506,0.1358521654037882,0.13912786811895209,0.14492956896817122,0.14569455522999805,0.15241640754720784,0.1540351773034359,0.15632566765603445,0.16066076318426373,0.16571577706386736,0.16935928430175606,0.1737484803064699,0.17566077024204974,0.17668117526783955,0.17718506910617757,0.18100785202110894],"n_dims_used":44,"mean_confidence":0.9161575490778143},"coverage":{"mean_confidence":0.9161575490778143,"n_dims_used":44,"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}}