{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001826},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001544","480:4800001824","480:4800001768","480:4800001945","480:4800001551","480:4800001342","480:4800001767","480:4800001652","480:4800001657","480:4800001882","480:4800001658","480:4800001709","480:4800001601","480:4800001883","480:4800001659","480:4800001329","480:4800002204","480:4800001825","480:4800001602","480:4800001891","480:4800001710","480:4800001277","480:4800001653","480:4800001599","480:4800001656"],"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":[0.7284819501627162,0.5066804246721176,0.4753688336059243,0.45212527187087137,0.4292718161877935,0.35235197888210534,0.3372351412857294,0.33307922793436895,0.3268122881463585,0.30726826248168976,0.3025161635653876,0.29879305839694953,0.29709665138444,0.2691690327728916,0.26848079250689727,0.26035961748767084,0.2488731343565687,0.246264931773456,0.24592601951812904,0.2382446392137207,0.23695392587304617,0.2290898677968377,0.22766200694759633,0.2130694273414651,0.20683259127616438],"twin_dists":[0.10337755153711779,0.15144443386748882,0.1583898349123973,0.16364144040016307,0.16890325188071179,0.18758881968587346,0.191491098476549,0.1925802524750907,0.19423677799646213,0.19951985548458986,0.2008332114760107,0.20187058449867715,0.2023457655935163,0.2104139630376905,0.21061909450832353,0.21306474372228434,0.21660728584618857,0.2174261343014839,0.21753294456840103,0.21997972103690547,0.22039586174229084,0.22296396541741578,0.22343645262305992,0.22838252013895072,0.23056621430327243],"n_dims_used":42,"mean_confidence":0.9180303301130023},"coverage":{"mean_confidence":0.9180303301130023,"n_dims_used":42,"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}}