{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001326},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001324","480:4800001331","480:4800001610","480:4800001943","480:4800002111","480:4800002057","480:4800001498","480:4800002159","480:4800001607","480:4800001444","480:4800001549","480:4800002160","480:4800002254","480:4800000325","480:4800001381","480:4800001608","480:4800002205","480:4800001321","480:4800001827","480:4800001950","480:4800001320","480:4800001506","480:4800001550","480:4800001325","480:4800001942"],"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":[0.375393785254368,0.24445427767887018,0.1847974174320483,0.17776329222841145,0.17645869076333226,0.17621779249467687,0.16968891356655372,0.15821580216349782,0.1514623075458349,0.14456624196059478,0.14310000167184703,0.13806450874217335,0.1378841104990532,0.1352983444470054,0.13470476598639247,0.13309457787248194,0.13183107480078485,0.13120926181828185,0.1267050239933837,0.1252369475316559,0.12486148009262779,0.12088338855718575,0.1193727220001584,0.11405312785449301,0.1058425073073782],"twin_dists":[0.18180384531990332,0.217997875797133,0.23866500594872833,0.24139209076180027,0.24190624887840706,0.24200148514565792,0.2446187563558924,0.2493992830227562,0.2523323576159575,0.25542831509202935,0.25610060640179133,0.25844920172255337,0.2585345186008222,0.2597667005703106,0.260052042644754,0.2608308677028677,0.2614469825261546,0.26175182759795534,0.2639932440052238,0.2647368223676867,0.2649280577072864,0.2669815736682715,0.2677748993792651,0.2706311905088994,0.27524832166927515],"n_dims_used":43,"mean_confidence":0.9206511918888536},"coverage":{"mean_confidence":0.9206511918888536,"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}}