{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001342},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000911","489:4890001151","489:4890001484","489:4890001084","489:4890001275","489:4890001344","489:4890001345","489:4890001214","489:4890001278","489:4890001149","489:4890001339","489:4890000850","489:4890001146","489:4890001566","489:4890000969","489:4890001215","489:4890000909","489:4890000910","489:4890001276","489:4890000676","489:4890000573","489:4890001274","489:4890000791","489:4890001028","489:4890001213"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9698821314096502,0.9316229887383767,0.8915025749179529,0.8802005871059755,0.8707439524867434,0.8603947990082073,0.856100244695877,0.8559413526463617,0.8494518842895068,0.8458404500702728,0.8430294327853519,0.8360753874118007,0.8318063293631573,0.8310697802208302,0.829839061628179,0.8171808988945731,0.8169039531633059,0.8056827841088865,0.8026155706190186,0.795318982618807,0.7951656090608137,0.7906958883615206,0.7810966311271551,0.7807455420262065,0.7775667293531777],"twin_dists":[0.032119055081256766,0.04888081806842785,0.062244156130128306,0.06561051830518401,0.06833109270590802,0.07122142731750694,0.0723967972640946,0.07244003037981722,0.07419095962137716,0.07515335770392954,0.07589681185808743,0.07771585437935308,0.07881907957010544,0.07900843023826104,0.07932418531470774,0.08252801512947383,0.08259726423908839,0.0853751024611083,0.08612537708757037,0.08789576939256279,0.08793277259712012,0.08900749741743502,0.09129287972098453,0.09137590752423617,0.09212593694110802],"n_dims_used":44,"mean_confidence":0.9137073863636364},"coverage":{"mean_confidence":0.9137073863636364,"n_dims_used":44,"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}}