{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001416},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001818","480:4800001475","480:4800001650","480:4800002092","480:4800001878","480:4800001532","480:4800001985","480:4800002101","480:4800001880","480:4800001590","480:4800002046","480:4800001865","480:4800001420","480:4800002334","480:4800002382","480:4800002481","480:4800001984","480:4800001816","480:4800001819","480:4800001760","480:4800002472","480:4800001534","480:4800001298","480:4800002432","480:4800002148"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.540239862629153,0.338252929492185,0.31003628237789366,0.2768848498759062,0.2589373130619829,0.2339905679259386,0.23219178955527545,0.22344916797832537,0.21812478151543624,0.2082027297825537,0.19676698191787084,0.19267621018950043,0.1900955766436127,0.19000361181942457,0.18598422407757775,0.1838012119662096,0.18155063429360213,0.17574922800099976,0.1733588545094654,0.17084867113740124,0.16453010993620176,0.16207116333405627,0.16072130828263562,0.15747136514030524,0.15559853904752688],"twin_dists":[0.14412464477118117,0.191225472541711,0.19876024365268055,0.20813605783201267,0.21349795793566248,0.22135691734549634,0.2219441806369978,0.2248420588156036,0.22664404092322998,0.23008268963830703,0.23418751211194347,0.23569583642581396,0.23665885010060017,0.23669333652011879,0.23821214549349576,0.23904671990915488,0.23991447176453204,0.24218699239862224,0.24313888266234354,0.24414863573283388,0.24673839936577815,0.24776565199132122,0.24833438010736533,0.2497180526025739,0.25052489371918457],"n_dims_used":43,"mean_confidence":0.9131211569142896},"coverage":{"mean_confidence":0.9131211569142896,"n_dims_used":43,"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}}