{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000010290},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000011185","500:5000009421","500:5000006333","500:5000005234","468:4680001387","468:4680003014","500:5000010771","498:4980003287","498:4980003945","498:4980002784","500:5000010766","489:4890003759","500:5000011637","500:5000006306","498:4980000891","485:4850008974","500:5000011468","498:4980001240","500:5000005882","489:4890004070","468:4680006931","468:4680008901","468:4680000695","500:5000009345","500:5000006958"],"twin_admin_codes":[500,500,500,500,468,468,500,498,498,498,500,489,500,500,498,485,500,498,500,489,468,468,468,500,500],"twin_sims":[0.3887030760294639,0.30584675277645074,0.23311035809381728,0.22405158531353583,0.19574234567067025,0.18630172501238518,0.18333432657876686,0.18078368252413163,0.1775751775647508,0.17294608917638393,0.1697908818847303,0.1690175127711547,0.16675126909685029,0.1638791569502769,0.16162225899906535,0.15930901985548102,0.15823351934201882,0.15700778725264522,0.15589418782994,0.15581894109202524,0.15183722810862135,0.14791691046722039,0.14399371821906473,0.14392119586853153,0.14365240965813347],"twin_dists":[0.17854218775748465,0.19991148390603863,0.22164391552509874,0.22463999000550314,0.23456325123344163,0.23809133841167837,0.23922611727292678,0.2402119199601391,0.24146606296897058,0.24330420075281428,0.24457733006531862,0.2448919713018549,0.2458199840224002,0.24700925472137822,0.2479544039195734,0.24893313996013863,0.24939170982192296,0.24991711345166062,0.2503970539618591,0.2504295741360494,0.25216704166251686,0.25391073956555116,0.2556902202516513,0.2557234512254978,0.2558467221225472],"n_dims_used":45,"mean_confidence":0.9225504557291667},"coverage":{"mean_confidence":0.9225504557291667,"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}}