{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012893},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012683","490:4900013138","490:4900012332","490:4900012941","490:4900013102","490:4900012818","490:4900012547","490:4900013031","490:4900012890","490:4900012947","490:4900013210","490:4900012489","490:4900012417","490:4900012684","490:4900012943","490:4900013209","490:4900012476","490:4900013207","490:4900013069","490:4900012404","490:4900012694","490:4900012831","490:4900013097","490:4900012991","487:4870001003"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487],"twin_sims":[0.5968341995546661,0.5851295851712934,0.5484269134754439,0.49613027482039496,0.49116663391800575,0.428035715465107,0.3928711240717542,0.35404104279001913,0.3241119219556575,0.30946163497841295,0.3062682083651952,0.25867872247275503,0.2538959628717425,0.2501337628823736,0.24737200894908146,0.23680845839990225,0.23537960950693043,0.22817741556218282,0.20537877905141697,0.1935521483030728,0.1647647463001994,0.15558970746071765,0.14866770400086937,0.13406830297319594,0.13264339691504493],"twin_dists":[0.13195093578828565,0.13445891848267286,0.14235348837753362,0.1537701573862444,0.15486919516390862,0.1691909834006767,0.17753169272121994,0.18715832295004664,0.1949559581367593,0.19891761946566497,0.19979526277540346,0.2135768818700151,0.21504569532817405,0.2162134809611478,0.21707788932994532,0.22044285475487005,0.22090544752740693,0.22326567552144014,0.2310816648313905,0.2353710071556281,0.2466409593929698,0.2505287152647818,0.25357418353831146,0.2603590504169759,0.2610503672154256],"n_dims_used":45,"mean_confidence":0.9150867038302951},"coverage":{"mean_confidence":0.9150867038302951,"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}}