{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002121},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001678","490:4900004419","490:4900003840","490:4900003993","490:4900004260","490:4900001972","490:4900004399","490:4900001835","490:4900001164","490:4900004263","490:4900001553","490:4900004121","494:4940004412","490:4900000585","490:4900002441","490:4900003697","490:4900003438","490:4900006392","490:4900003038","490:4900007245","490:4900001551","490:4900006519","494:4940004406","494:4940008480","490:4900001685"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,494,494,490],"twin_sims":[0.3872895887999711,0.32274425953130104,0.3092339525102767,0.3088516934062083,0.3000856018787456,0.2895260008381917,0.2750983911279463,0.27501279701395287,0.27411820784036506,0.2638741268872452,0.2579994977306476,0.2574846460163638,0.2421616302512466,0.2418551247116046,0.24070308640579563,0.23478328801640133,0.23476236598751188,0.23338619332976474,0.2328468565260366,0.23168737098968145,0.23131558748704467,0.22941520477859925,0.2261760740774979,0.22521801776853403,0.22343966821746392],"twin_dists":[0.17888602554748417,0.19532147386915974,0.19898002008675733,0.19908484465262397,0.20150959037564684,0.20448614692692713,0.20865996306427728,0.20868511699219625,0.208948301606648,0.21200060505600724,0.2137844239088397,0.21394197036169257,0.21872574808016998,0.2188233950647486,0.21919113195927414,0.22109905108509603,0.22110584953818108,0.22155390124186683,0.22172997026233046,0.22210939913872674,0.22223132561044753,0.2228565820635169,0.22393024438468645,0.22424975921783788,0.22484524822464952],"n_dims_used":45,"mean_confidence":0.9142474704318576},"coverage":{"mean_confidence":0.9142474704318576,"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}}