{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":485,"cluster_id":4850007998},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000001223","477:4770000238","500:5000002129","500:5000001066","500:5000005215","477:4770002406","499:4990000458","500:5000002126","477:4770002338","500:5000001277","500:5000004866","485:4850008085","500:5000003288","477:4770000127","500:5000002364","477:4770002265","499:4990001055","499:4990000403","499:4990001402","477:4770001366","500:5000000775","485:4850006674","477:4770001544","485:4850007721","475:4750005636"],"twin_admin_codes":[500,477,500,500,500,477,499,500,477,500,500,485,500,477,500,477,499,499,499,477,500,485,477,485,475],"twin_sims":[0.5313823191076088,0.41607881022412835,0.34027905425376526,0.33915826517009845,0.33638742354616996,0.31719353135825723,0.3146448360997757,0.30403733208377676,0.29489118891594773,0.2864429109507726,0.2854968586325618,0.27627278298527663,0.26894426446874126,0.2668834141912754,0.26448968315796706,0.26172712473058635,0.25599090792706775,0.25527002517474406,0.25306998081280935,0.2497338404902325,0.24725178874106254,0.2457691274313929,0.24477880840519836,0.24402686520967437,0.24142908404540797],"twin_dists":[0.14604656278504008,0.17199232691876792,0.1906979651809886,0.190989556513246,0.19171266940981738,0.19681390654557065,0.19750410715492311,0.20041150770632307,0.2029659308633463,0.20536733851534453,0.20563887272506975,0.20831532201792574,0.21048091994842297,0.21109645646941755,0.21181513854966932,0.21264962019945854,0.21440018902090177,0.21462193222164,0.21530113085003727,0.21633827401955794,0.21711565757410914,0.2175824221421249,0.21789520007199908,0.21813323572399954,0.21895925696934643],"n_dims_used":45,"mean_confidence":0.9219449361165365},"coverage":{"mean_confidence":0.9219449361165365,"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}}