{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007158},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000096","490:4900006062","480:4800000145","480:4800000118","480:4800000117","480:4800000177","491:4910003387","491:4910003488","491:4910002996","491:4910003427","491:4910003219","491:4910002456","480:4800000121","480:4800000126","495:4950000808","491:4910001617","495:4950000069","491:4910003388","491:4910001114","495:4950000070","491:4910003194","491:4910003519","480:4800000152","480:4800000032","491:4910003218"],"twin_admin_codes":[480,490,480,480,480,480,491,491,491,491,491,491,480,480,495,491,495,491,491,495,491,491,480,480,491],"twin_sims":[0.2661050859229027,0.19833157695922207,0.1582222842540989,0.14012907879230765,0.12244286166063098,0.11141936762151353,0.07601591323831093,0.06852019839768023,0.067361371690771,0.06226837679934431,0.060579402186335576,0.06039614100549341,0.05639282010411507,0.05198179310695237,0.047557997031693264,0.04690704029127722,0.042962669560866994,0.041165489562171434,0.04097192890241764,0.040697051750405604,0.04000819223582519,0.03946251803583203,0.03794275687922558,0.03657574579629951,0.03488306385220352],"twin_dists":[0.21132969600072402,0.23361637203690516,0.24939651218404024,0.25747867125536483,0.26617051655227036,0.2720834311275297,0.2948358296562173,0.30071633121374375,0.30167154356709625,0.3060357512146247,0.3075476310444319,0.3077137507906831,0.3114504713748152,0.3158307080277175,0.32054566991413547,0.32127008121157463,0.325849042100773,0.32805354611908033,0.32829578814118515,0.32864146232217195,0.32951648036945796,0.3302186971335695,0.3322186670368727,0.33407646158945326,0.3364603498219314],"n_dims_used":44,"mean_confidence":0.8935014551336115},"coverage":{"mean_confidence":0.8935014551336115,"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}}