{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010737},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010904","490:4900010738","490:4900008547","490:4900010983","490:4900010401","490:4900009923","490:4900012172","490:4900010653","490:4900010652","490:4900010572","490:4900009417","490:4900010488","490:4900010651","490:4900010740","490:4900012107","490:4900009843","490:4900006677","490:4900010736","490:4900010326","490:4900008442","490:4900009824","490:4900010487","490:4900009743","490:4900012173","490:4900009925"],"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":[0.14817253404961728,0.08621648272041703,0.08389203570158903,0.033072257634921706,0.023819693738230986,0.012112246095247112,0.011276037509284532,0.011104855177566578,0.007912177601639593,0.007495822946872802,0.003154516729478366,0.0028694098284649835,0.002320177129908743,0.0020128901073650637,0.001847967516036038,0.0014780599932137546,0.001303084020746253,0.0012272016243747303,0.0009639356715326091,0.0008719578256837268,0.0006297004048208438,0.0006295980545682251,0.0004880643801365498,0.0004672378957610276,0.0004549377992009086],"twin_dists":[0.2537960106613546,0.2875418746555757,0.2891406649507311,0.3391221815752122,0.35507041494729824,0.3858622496907767,0.3889768161410838,0.38963960336408293,0.4040475343675019,0.4062979376459604,0.44076729837248907,0.4443776205444327,0.45237026169849687,0.4576369941908894,0.46077699614663653,0.4688819699482522,0.47339282690608186,0.47552577584056316,0.4840150849557025,0.4874973260366025,0.49863233375750465,0.49863783239519127,0.5071781891857225,0.50862643229165,0.5095103710006265],"n_dims_used":44,"mean_confidence":0.8837235190651633},"coverage":{"mean_confidence":0.8837235190651633,"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}}