{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010706},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010535","490:4900010959","490:4900010447","490:4900010872","490:4900010793","490:4900010610","490:4900010524","490:4900010178","490:4900010534","490:4900010877","490:4900012059","490:4900010352","490:4900010710","490:4900010622","490:4900010951","490:4900010174","490:4900010691","490:4900010871","490:4900010176","490:4900011732","490:4900010448","490:4900011323","490:4900010705","490:4900010874","490:4900010953"],"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":[0.6968976978038912,0.6425941976278098,0.6223056777354612,0.6097403246539511,0.502268699251034,0.501460615707909,0.4130014991851095,0.37155133075982116,0.35514323853892316,0.32771200843148385,0.3234932878692226,0.3224023654579951,0.31573251983116035,0.3011732052993624,0.2630843828027293,0.26177484664212364,0.2553190226501422,0.24775460591888732,0.23595602629450202,0.23578398688019864,0.228465931236621,0.22607631553744598,0.22385828720848897,0.20615780487435467,0.19571314517824845],"twin_dists":[0.11037293792571805,0.12214305236334923,0.12649586565862786,0.12918720549931428,0.1524153382264903,0.1525934264132545,0.1727188160970198,0.18275590207957917,0.18687797724224448,0.19399788941938623,0.1951211850632205,0.19541298188888448,0.19720917073309857,0.20120653761220847,0.21223895047489352,0.2126351582328078,0.21460684806410887,0.21695777146305917,0.22071861111483848,0.22077434369709864,0.2231701892483844,0.22396347221126875,0.22470478850849024,0.23080515152104952,0.23457397915454278],"n_dims_used":45,"mean_confidence":0.9195975409613715},"coverage":{"mean_confidence":0.9195975409613715,"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}}