{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001002},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000478","490:4900000196","496:4960008585","494:4940008397","490:4900000946","490:4900003751","490:4900001199","494:4940008390","490:4900003354","490:4900000777","496:4960008962","470:4700005173","496:4960008363","490:4900002159","490:4900000277","490:4900002332","490:4900001064","496:4960008379","496:4960008869","490:4900000274","496:4960008866","490:4900001870","490:4900002482","496:4960008680","490:4900003353"],"twin_admin_codes":[490,490,496,494,490,490,490,494,490,490,496,470,496,490,490,490,490,496,496,490,496,490,490,496,490],"twin_sims":[0.4086163192478981,0.3512474687447019,0.3341349462663074,0.32141899590201684,0.31386381675672037,0.30529682805860786,0.300042956175762,0.2928515646523983,0.28601124441985454,0.28207440217858387,0.28195820866216476,0.25998385189553386,0.25856696948032065,0.24944226514796305,0.2491954133874726,0.24724717445486508,0.24197600759820453,0.23227431587910768,0.2285847665442571,0.21838488620949703,0.2183660765509759,0.21660563754749076,0.20848311682044662,0.20576642360137068,0.204945916807566],"twin_dists":[0.17375814979636772,0.1878709104667743,0.19230288089180217,0.19567648350333733,0.1977162454795269,0.2000632711256826,0.20152148635313083,0.20354190554225757,0.205491167738378,0.20662573019765243,0.2066593608763383,0.21317905171300552,0.21361100517121367,0.2164293387039492,0.21650648859709673,0.2171171074279921,0.21878487445219447,0.22191717223876087,0.2231308830645015,0.22655533088654026,0.2265617436363486,0.22716357803070036,0.2299840080491036,0.23094398187463247,0.2312356184018576],"n_dims_used":45,"mean_confidence":0.918304443359375},"coverage":{"mean_confidence":0.918304443359375,"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}}