{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001473},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002270","480:4800002369","480:4800001414","480:4800001427","480:4800001584","480:4800001927","480:4800001486","480:4800001646","480:4800001356","480:4800001237","480:4800001310","480:4800001923","480:4800001925","480:4800001698","480:4800001875","480:4800001585","480:4800002131","480:4800001480","480:4800002458","480:4800002504","480:4800001483","480:4800002473","480:4800002332","480:4800002513","480:4800001820"],"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":[0.8881227580422437,0.8222133207869854,0.8221856965536801,0.7586879218740966,0.7514969844292158,0.7317109438197293,0.6954398779249873,0.674221416091568,0.6612209391994289,0.6446505754900206,0.6263870150641101,0.6228824065786163,0.6098013986571692,0.5853790205705702,0.5619092794965952,0.5473432872876558,0.5313646274054212,0.5195677901278385,0.513089086050151,0.5078459589746521,0.5072598882059194,0.5054970784487992,0.5054642844129896,0.4944308478793321,0.49395497013490774],"twin_dists":[0.06326508874917941,0.08126353737955701,0.08127051080811518,0.09652125738592687,0.09817138228656327,0.10265339426455157,0.11069249345047812,0.1153175328740676,0.11813114432849924,0.12170103675710017,0.12562117608736484,0.12637228505909426,0.12917412754271404,0.13440544260417117,0.13944611865696538,0.1425876483610807,0.14605040799788832,0.14862068066604875,0.15003800854341298,0.1511883078620966,0.15131707746388035,0.15170463356873393,0.151711846782887,0.15414607851886528,0.15425141183842295],"n_dims_used":43,"mean_confidence":0.9130608314691588},"coverage":{"mean_confidence":0.9130608314691588,"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}}