{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000531},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000984","490:4900000444","490:4900000530","490:4900000987","494:4940007935","490:4900000983","490:4900000445","490:4900000536","494:4940008454","494:4940008453","494:4940007943","490:4900000635","490:4900000634","490:4900000442","490:4900000533","490:4900000449","490:4900000981","490:4900000367","490:4900000988","494:4940006979","490:4900000739","490:4900000539","494:4940006780","494:4940007936","490:4900012373"],"twin_admin_codes":[490,490,490,490,494,490,490,490,494,494,494,490,490,490,490,490,490,490,490,494,490,490,494,494,490],"twin_sims":[0.5098390749990522,0.43050680382675927,0.3939659744181559,0.33244828712553326,0.27901729179035467,0.251896036545092,0.23656898887555283,0.19592588323007232,0.19167370154183677,0.17938368498839358,0.16117397509824513,0.14479333641171996,0.13945066229602365,0.12697313995768217,0.11892796823717294,0.11594844518441244,0.11155018569929294,0.10590098714933363,0.09521231347677184,0.09175170105596339,0.0874019755208221,0.08589649414980895,0.08323613955602362,0.0825071787786073,0.08142948482226253],"twin_dists":[0.15075067669722916,0.16861611746438918,0.17726708910469002,0.19274624997076925,0.20751338276449854,0.2156650882579784,0.22052025603601869,0.23449584706437682,0.23606886711754982,0.24075719496610687,0.24814327499389918,0.25532464212145817,0.25779640263096193,0.2638581500987007,0.2680099233242011,0.2696020199290045,0.2720106772893625,0.2752144703311944,0.2816597682039452,0.28386827165515505,0.28673965627344367,0.2877599132182463,0.2895981876876736,0.2901100688290555,0.2908734992217661],"n_dims_used":45,"mean_confidence":0.9112241956922743},"coverage":{"mean_confidence":0.9112241956922743,"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}}