{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001125},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001511","490:4900003403","490:4900003950","490:4900001252","490:4900001513","490:4900002846","490:4900001377","490:4900003253","490:4900001120","490:4900002845","490:4900001375","476:4760003660","490:4900003526","490:4900001118","490:4900001783","476:4760004053","476:4760003701","476:4760004064","490:4900003126","476:4760004369","476:4760003766","476:4760003452","476:4760004397","476:4760004243","476:4760003607"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,476,490,490,490,476,476,476,490,476,476,476,476,476,476],"twin_sims":[0.21690946070596165,0.12021671527803021,0.11191763017646894,0.09552094126312485,0.09222676129477429,0.0803981601846408,0.07418765681781028,0.040524976892453816,0.03779291837723292,0.032948900173608665,0.031437913163364826,0.024797723743261706,0.024765382636361813,0.018400442944607014,0.01810852600442627,0.017257456383172824,0.01637945516307672,0.01628226674038351,0.016165841699517822,0.0158896271468754,0.014689819697121357,0.014510818387001445,0.014444763910313768,0.014251105688351081,0.013645091659346931],"twin_dists":[0.22705947695251946,0.2673307375079298,0.2718066765448,0.28146589787612536,0.2835612433432803,0.2916116946504794,0.296225313735488,0.32885886052531343,0.3324195050380332,0.3393079985205641,0.34163363236939553,0.3531537073838954,0.3532160337806556,0.3671283471367608,0.3678623450575391,0.3700630329542505,0.3724354431676811,0.3727048734216816,0.3730294987491297,0.37380795957572405,0.3773340267405581,0.3778816803793757,0.37808527934886843,0.37868695943075764,0.3806175833795378],"n_dims_used":45,"mean_confidence":0.9125652737087674},"coverage":{"mean_confidence":0.9125652737087674,"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}}