{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001279},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001457","480:4800001837","480:4800001272","480:4800001454","480:4800001889","480:4800001401","480:4800001465","480:4800001281","480:4800001943","480:4800001568","480:4800001344","480:4800001685","480:4800001576","480:4800002012","480:4800001271","480:4800001613","480:4800001435","480:4800002057","480:4800001437","480:4800001521","480:4800001831","480:4800001377","480:4800001688","480:4800002207","480:4800001954"],"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":[0.37443877592498953,0.35732482714103214,0.33491629070184814,0.33460225545095496,0.33306903960187545,0.3001404835887604,0.28658607949418496,0.283085098178479,0.2813264766462442,0.26031232605017995,0.24955649541574956,0.24823602127278702,0.24516827797454083,0.22336632392355282,0.22232830344158172,0.22195653735286208,0.2145354816205143,0.21054183010376956,0.20858575355798117,0.20528846552473812,0.19512869172422412,0.19370227148891545,0.18409426946019705,0.1828795928099359,0.17972200679310396],"twin_dists":[0.18204002154586216,0.186324407832337,0.19209790312281882,0.1921802558153915,0.19258293161332432,0.20149428263012012,0.205326293470358,0.2063335502341686,0.20684235430481587,0.2130791240830121,0.2163936542467254,0.2168067981407879,0.21777209465399727,0.2248698755664297,0.22521899877084306,0.22534430141854972,0.227875522169309,0.2292622002243329,0.22994790788235042,0.23111376776926526,0.23478893443590804,0.2353154388183428,0.23893427869644412,0.23940115546714102,0.2406251489341572],"n_dims_used":43,"mean_confidence":0.9208383781965389},"coverage":{"mean_confidence":0.9208383781965389,"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}}