{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011794},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011796","490:4900009268","490:4900012132","490:4900011941","490:4900011118","490:4900011203","490:4900011481","490:4900011329","490:4900011729","490:4900011113","490:4900011664","490:4900012196","490:4900009053","490:4900004932","490:4900011528","490:4900011726","490:4900012070","490:4900011530","490:4900009278","490:4900009376","490:4900009890","490:4900009574","490:4900011194","490:4900012201","490:4900011266"],"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":[0.3593279914681059,0.34071872140608334,0.33523617359947644,0.32394911245848357,0.32286717057327236,0.29957498104048447,0.29699033957579213,0.270675514471908,0.2678024740618124,0.2598185652383623,0.23217396997660358,0.22745436618258483,0.22553454376924065,0.21148415802262802,0.19296700949500206,0.19040798456302455,0.18422273453271365,0.18070783626936052,0.17961738671802518,0.1736216875335707,0.17174954170762216,0.17172966638564313,0.17083072992649662,0.17016535286940787,0.1649217510059195],"twin_dists":[0.18581764140684195,0.1905837194114692,0.1920140600309094,0.1949994248296129,0.19528858992135653,0.20165209257615915,0.20237559763836047,0.20996608284256774,0.21082158789285144,0.21322936485410524,0.22195001328088662,0.22350532529341016,0.22414409710550584,0.22893340890318373,0.2355878838541107,0.2365417854506899,0.2388850285752011,0.24024138401630646,0.24066596301789153,0.2430337610388488,0.24378503462072904,0.24379304175727176,0.24415589094117277,0.24442534819536516,0.2465758143481642],"n_dims_used":45,"mean_confidence":0.9084452311197917},"coverage":{"mean_confidence":0.9084452311197917,"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}}