{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000540},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000578","480:4800000304","480:4800000719","480:4800000427","480:4800000394","480:4800001031","480:4800000460","480:4800000675","480:4800000621","480:4800000371","480:4800000370","480:4800000753","480:4800000369","480:4800000610","480:4800000504","480:4800000503","480:4800000338","480:4800000579","480:4800000580","480:4800000617","480:4800000303","480:4800000457","480:4800000300","480:4800000566","480:4800000401"],"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":[0.6458471804140601,0.5043943580507683,0.45209853639918046,0.4494268033269011,0.3840339975353941,0.3752283361872724,0.35611253878726384,0.3077576013425518,0.29699830918189585,0.2812511192881139,0.2796099643024461,0.2708798324988651,0.23444754236769896,0.22021969874785308,0.21816725149297422,0.2137603213911716,0.21021962423344273,0.21000852654588859,0.20300867115381013,0.1963891129337259,0.18681366814892097,0.18538148781066252,0.16848578082808546,0.1589247754170271,0.14481303664004533],"twin_dists":[0.12144373876460585,0.1519472513313953,0.16364753560379375,0.16425731989982847,0.1796802332694133,0.18184474018231814,0.1866318053360847,0.19938528355771595,0.2023733610778381,0.2068641996301512,0.2073408367236911,0.2099054573746062,0.22120819701744254,0.22593156338512504,0.22662955146938485,0.22814329903512073,0.2293748515048053,0.22944872018380685,0.23192736968673777,0.23432592037034017,0.23789685151919848,0.2384418821619593,0.24510890445164335,0.2490967137853503,0.2553156542729078],"n_dims_used":42,"mean_confidence":0.9122709546770368},"coverage":{"mean_confidence":0.9122709546770368,"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}}