{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003407},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003291","490:4900001808","490:4900004101","490:4900003412","490:4900003554","490:4900003823","490:4900008525","490:4900009511","490:4900002565","490:4900002415","490:4900010459","490:4900002110","490:4900001664","490:4900001798","490:4900002401","490:4900009700","490:4900002719","490:4900002417","490:4900003159","490:4900010462","490:4900010197","490:4900008066","490:4900009086","490:4900001809","490:4900003829"],"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":[0.509043629201265,0.4099821241469448,0.39159985627501204,0.3351987857519118,0.23479394419010705,0.22790466606911944,0.1815474466224243,0.16968134336260288,0.16870032924035794,0.16671492353428077,0.16185360639356025,0.16088472858690525,0.13419930239230024,0.12909678808320302,0.12533514970933196,0.12431498047661603,0.11967809505217483,0.1192837490346922,0.11749518259682479,0.11597172528416143,0.1159321083675739,0.11543397086265103,0.11271312113027956,0.110916684524155,0.10488743944095005],"twin_dists":[0.15092528041003472,0.17343391767015484,0.17783936344555867,0.1920238573530777,0.22109558859556025,0.22335601734734536,0.2399157062036829,0.24462183258733064,0.24502131498317725,0.24583494110443752,0.2478570812744211,0.24826534292303598,0.2602957715112364,0.2627956808425859,0.26468687728484314,0.26520718644446795,0.2676139167181526,0.26782186224741017,0.268771663058819,0.269589459311815,0.2696108355022479,0.269880096691324,0.271366793740809,0.2723636111547771,0.2758032365847285],"n_dims_used":45,"mean_confidence":0.9190990024142796},"coverage":{"mean_confidence":0.9190990024142796,"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}}