{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000021},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000005","480:4800000054","480:4800000187","480:4800000157","480:4800000190","480:4800000011","480:4800000216","480:4800000236","480:4800000161","480:4800000229","480:4800000055","480:4800000255","480:4800000195","480:4800000162","480:4800000219","480:4800000220","480:4800000215","480:4800000243","480:4800000244","480:4800000003","480:4800000226","480:4800000022","480:4800000204","480:4800000235","480:4800000107"],"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":[0.7403769260972672,0.5429066951067895,0.5415101611818163,0.48078915747271955,0.46312359334337844,0.44930542554303465,0.4133252551933501,0.404800863446358,0.3913572898514493,0.3835247135262023,0.3682285304646511,0.3468902966733642,0.3280444992017636,0.3183177588665882,0.31377801129074984,0.30821865119376757,0.29870177416891014,0.29757560781271847,0.2883087704754956,0.270032440856502,0.2609473219109782,0.2130561573955788,0.19493666580885402,0.17392177140758885,0.16707338543051503],"twin_dists":[0.10070020240822065,0.14354718766116648,0.1438495177480671,0.15717779907907822,0.16114501906889747,0.16428505470901675,0.17264227400610274,0.17466646195727586,0.17789812195351073,0.17980476367790535,0.18358313753014002,0.18898828247749028,0.1939097000110248,0.19651045578761503,0.19773957000382986,0.19925860399015358,0.2018961137914581,0.20221144389980156,0.20483337511374397,0.21015708100675762,0.21288617155684092,0.2283871199712159,0.2348596568630939,0.2429138796260949,0.24568752791201506],"n_dims_used":42,"mean_confidence":0.9024363926478794},"coverage":{"mean_confidence":0.9024363926478794,"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}}