{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000639},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000641","480:4800000424","480:4800000337","480:4800000566","480:4800000336","480:4800000319","480:4800000691","480:4800000645","480:4800000967","480:4800000658","480:4800000434","480:4800000511","480:4800000507","480:4800000724","480:4800000698","480:4800000565","480:4800000429","480:4800000642","480:4800000681","480:4800000345","480:4800000544","480:4800000405","480:4800000312","480:4800000612","480:4800000605"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.499581509774579,0.4871935964477729,0.4155788618598665,0.3950530566769808,0.3795750557783713,0.32214805025683413,0.2848827105318455,0.2830532452628569,0.24442817510333936,0.23705785599919066,0.23111780897972725,0.22154702819357192,0.2133403241427793,0.20384077972178127,0.19697244749348564,0.1945730976549416,0.18906865936303463,0.18882489162091795,0.18879319968146913,0.18546330981261427,0.18325617577627779,0.17961589910397371,0.1768687062692031,0.17034699113194382,0.16848485054635123],"twin_dists":[0.15300785712328394,0.15575126684631893,0.1721101961449607,0.17700469968572188,0.18077324326109634,0.19548108454573884,0.20581543397361565,0.20634274889864754,0.21800613800482968,0.22036229882934102,0.22229623969205742,0.22548248759377162,0.22828866006625062,0.23162968852583019,0.23411233011221538,0.23499369024368655,0.23704460396865923,0.2371363886821578,0.23714832758944154,0.23841066441941106,0.23925617762415766,0.2406665434830972,0.24174436667732102,0.2443517153834858,0.24510928441411547],"n_dims_used":43,"mean_confidence":0.9127727774686591},"coverage":{"mean_confidence":0.9127727774686591,"n_dims_used":43,"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}}