{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001164},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001423","491:4910001482","491:4910001893","491:4910001659","491:4910002232","491:4910001359","491:4910000969","491:4910002290","491:4910001539","491:4910001989","491:4910001715","491:4910002187","491:4910001599","491:4910000964","491:4910001301","491:4910001234","491:4910002878","491:4910001604","491:4910001304","491:4910002289","491:4910002086","491:4910000968","491:4910001094","491:4910002231","491:4910001039"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.7502270723565437,0.6549548545297252,0.5752364296064354,0.5601633080170418,0.5576628760883617,0.5160570932864772,0.5106816946114521,0.5043690431842018,0.498900068451457,0.4851846801818589,0.4406851101344739,0.4152615947612228,0.40638873363911876,0.3790752849785663,0.37776087829408206,0.37420630228823937,0.3695835924196143,0.3354286574217055,0.3330139103134886,0.3287609164358673,0.3279233832691675,0.324103976385061,0.3174063585926464,0.3166003388336368,0.31590714201310144],"twin_dists":[0.09846154063196778,0.11948297124002899,0.1365813041262894,0.139822045032386,0.1403606964226632,0.1493881676867482,0.15056579469969036,0.1519528227168119,0.15315825407790928,0.15619810553901076,0.16626214069120848,0.17218502758591123,0.17428799138498163,0.18089613571794855,0.18121972077766338,0.18209755758124957,0.18324533842423543,0.19196362986405074,0.19259742926358012,0.1937198457786902,0.19394181892805815,0.19495807915413024,0.19675641386357845,0.19697426533833767,0.19716187383140793],"n_dims_used":45,"mean_confidence":0.8984666612413195},"coverage":{"mean_confidence":0.8984666612413195,"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}}