{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003758},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002627","490:4900004429","490:4900004430","490:4900002902","490:4900002456","490:4900002901","478:4780009277","490:4900001469","496:4960004348","490:4900002754","490:4900003476","490:4900002903","490:4900003329","478:4780009278","490:4900003197","493:4930006835","487:4870012961","490:4900004567","490:4900002319","490:4900004444","490:4900003756","490:4900002457","496:4960004653","496:4960004654","496:4960006362"],"twin_admin_codes":[490,490,490,490,490,490,478,490,496,490,490,490,490,478,490,493,487,490,490,490,490,490,496,496,496],"twin_sims":[0.6805736495980276,0.6006831099627137,0.5330024132248065,0.5290546703715052,0.5282661990401426,0.49381120552472446,0.4913976648135071,0.48823773849521557,0.48115035188663136,0.47530374498206895,0.4576985671365797,0.45102142288095426,0.43683043024829465,0.4114894512367049,0.4074951543827969,0.4046849462343445,0.3940426380350045,0.386908457572444,0.3853358901884158,0.3846917635035654,0.37388523517679756,0.36712091185798534,0.35784428696529214,0.357794973992884,0.3497297307870041],"twin_dists":[0.11393764256218902,0.13112664329510046,0.14569455522999805,0.14655269936732557,0.14672425655841892,0.15428323926912318,0.15481796879555298,0.15551924292902458,0.1570971886657059,0.15840441649002898,0.1623737007155939,0.16389320926227197,0.16715105764783014,0.17307663934966616,0.17402466367895383,0.17469411688165565,0.17724857381131232,0.17897883904103368,0.17936225147999738,0.17951951259959323,0.18217704893467357,0.1838597136535145,0.1861928536764899,0.18620533806120398,0.18825929600786942],"n_dims_used":44,"mean_confidence":0.915783015164462},"coverage":{"mean_confidence":0.915783015164462,"n_dims_used":44,"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}}