{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002040},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001580","480:4800002083","480:4800001305","480:4800002135","480:4800002237","480:4800002224","480:4800002081","480:4800001355","480:4800002139","480:4800002327","480:4800002316","480:4800001693","480:4800002079","480:4800001809","480:4800002464","480:4800002178","480:4800001429","480:4800001365","480:4800001412","480:4800001372","480:4800002367","480:4800002080","480:4800001581","480:4800001753","480:4800002504"],"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":[0.9394002512236906,0.9042108685673571,0.8842115356834573,0.875718322845226,0.8755968341047814,0.8479824745862491,0.8348289129298493,0.83255574747612,0.8185042833273667,0.8086486820289245,0.8001363408797384,0.7867469578171264,0.7789145936016385,0.771397001286146,0.7703241257137237,0.7674912697022048,0.7565531327435328,0.752106396918982,0.7440242561532874,0.7246068009307244,0.7240016215739383,0.7231733073886414,0.700095867983431,0.6744206271770322,0.6589239631792041],"twin_dists":[0.04592257483894329,0.058282450409203664,0.06443108557531099,0.06691014323473003,0.06694510907669671,0.07458354055797214,0.07803899978736759,0.0786261251868274,0.08219662810082129,0.08464603326918853,0.08672915570229396,0.08995130051688659,0.09180828794590666,0.09357312524483448,0.09382367219610488,0.0944836983606818,0.09701241929392879,0.09803200909202407,0.09987367365908886,0.10424417850365833,0.1043792854431535,0.10456410722700094,0.10967098785619847,0.11527431329351175,0.11862698036657175],"n_dims_used":42,"mean_confidence":0.9114924839564732},"coverage":{"mean_confidence":0.9114924839564732,"n_dims_used":42,"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}}