{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011105},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011025","490:4900011333","490:4900011181","490:4900011469","490:4900009974","490:4900011604","490:4900011665","490:4900010946","490:4900011790","490:4900011534","490:4900012209","490:4900011403","490:4900011734","490:4900010949","490:4900012196","490:4900011397","490:4900011670","490:4900011729","490:4900011189","490:4900009573","490:4900011261","490:4900011921","490:4900011854","490:4900011190","490:4900011118"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.47705357571666757,0.3660677986873524,0.2815440576661827,0.23993520540449143,0.2386017628934976,0.2153811322553301,0.21023808041616915,0.20436205400005297,0.18457230262388685,0.1815441186732411,0.1766546350307891,0.16460158360607033,0.15877058685655154,0.1577196375042543,0.15737813352082533,0.15254628699739736,0.14594880437944238,0.14521712973300704,0.14287149249610823,0.14175406812656594,0.13985832400778048,0.13778508325011307,0.13167266309229597,0.12528893058682034,0.11235142681795368],"twin_dists":[0.15801263455269848,0.18412306755693741,0.20677929968200262,0.2194368784055541,0.21986483991276642,0.22758413858846258,0.22936839559334282,0.23144363048602196,0.2387511357435205,0.23991699498243438,0.24182885286690312,0.24670870709166787,0.24916243320449458,0.24961161993029093,0.24975805197729367,0.25185521019652024,0.2547990069237869,0.25513149421702447,0.25620584107425143,0.2567222546682434,0.2576053393967514,0.25858138766516175,0.2615245411673655,0.2647103803714514,0.27156650206642535],"n_dims_used":45,"mean_confidence":0.9062744140625},"coverage":{"mean_confidence":0.9062744140625,"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}}