{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003891},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001207","490:4900000685","490:4900001316","490:4900000019","490:4900002335","490:4900003353","490:4900004182","490:4900000199","490:4900001010","490:4900000051","490:4900002780","490:4900001173","490:4900000037","490:4900004186","490:4900000954","490:4900003333","490:4900001998","490:4900000777","490:4900000196","490:4900001846","490:4900003894","490:4900001847","490:4900000032","490:4900006767","490:4900005676"],"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":[0.48937981670284825,0.39462275367238997,0.36473348118279847,0.35295657184688806,0.3202729221819565,0.3057856949444465,0.30004829069893335,0.294326313454843,0.2841694168437612,0.283326565381584,0.2696938754861359,0.2668804081028997,0.2616297134868531,0.2562163941123311,0.2520826993058269,0.24992555226338387,0.24454875072607188,0.24325329655539468,0.24195209337301693,0.24128388007679394,0.23744411287749653,0.22981131488535458,0.228156754660085,0.22706337170758412,0.21985488177653165],"twin_dists":[0.15526562797052704,0.1771085221009653,0.1844572901952267,0.18743460229972353,0.19598415283261092,0.19992832896409143,0.20151999823897637,0.20312521090863356,0.2060207863350284,0.20626383828931757,0.21025775067845112,0.21109735648168393,0.2126791454858,0.21433091077268526,0.2156071451645319,0.2162784357338413,0.21796797714643293,0.21837861175967607,0.2187924939843221,0.21900559717531035,0.22023764616995334,0.22272597442595346,0.22327251645486898,0.2236351279592791,0.22605530925458903],"n_dims_used":45,"mean_confidence":0.9179261949327256},"coverage":{"mean_confidence":0.9179261949327256,"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}}