{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000728},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000050","490:4900000067","490:4900000600","490:4900000354","490:4900000561","490:4900004188","487:4870004979","490:4900000114","490:4900001021","490:4900000179","487:4870005262","490:4900001290","487:4870003105","490:4900000183","490:4900007392","490:4900001330","490:4900001423","490:4900000201","487:4870003812","496:4960005278","487:4870003005","493:4930000337","490:4900000435","490:4900000141","490:4900000184"],"twin_admin_codes":[490,490,490,490,490,490,487,490,490,490,487,490,487,490,490,490,490,490,487,496,487,493,490,490,490],"twin_sims":[0.3720051530354165,0.3572527034434451,0.2868900552728469,0.2577489024053409,0.2568654512041166,0.24705293382088434,0.24699180295194,0.2412974958997343,0.22649782335948374,0.2035278624631468,0.19807192931095494,0.1927080006597419,0.1787270286499151,0.16120103071183797,0.15772960022480528,0.1521019780974619,0.1500171784346261,0.14563840005326847,0.1409688680220993,0.13940228586171494,0.130162292679845,0.12869329071489105,0.1186765783180754,0.11801003370948204,0.11423816876342528],"twin_dists":[0.18264320514588417,0.18634268106028912,0.20523918729962448,0.21386108215535835,0.21413170990449013,0.21717815550591732,0.21719737476431722,0.21900125107124796,0.2238231415385221,0.23174153457074825,0.2337109377040286,0.2356840294223564,0.24101399091911638,0.24813186511096114,0.2496073515307057,0.2520504844690384,0.2529723967206279,0.25493990963813873,0.2570869466619397,0.25781910338759384,0.2622675763632298,0.2629965292525722,0.26814306445057134,0.26849712795358915,0.27053013513226726],"n_dims_used":45,"mean_confidence":0.9166213141547309},"coverage":{"mean_confidence":0.9166213141547309,"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}}