{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000720},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000995","480:4800001039","480:4800000407","480:4800000564","480:4800000380","480:4800000715","480:4800000509","480:4800000840","480:4800000972","480:4800000428","480:4800001077","480:4800000310","480:4800000993","480:4800000353","480:4800001146","480:4800000400","480:4800000339","480:4800000649","480:4800000918","480:4800000878","480:4800000340","480:4800000890","480:4800001141","480:4800000477","480:4800000685"],"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":[0.45279064765012655,0.414031567559122,0.39412575789823695,0.37961886055267774,0.35856060404088047,0.3406816250115013,0.3284852617129708,0.32696700433464193,0.29588157121388514,0.28926516282048786,0.28501137649991815,0.27737318230525215,0.2645805626273638,0.26337518058892595,0.2615612496845018,0.25504509020891136,0.23540282212598002,0.23312279186061916,0.21994060093562906,0.2159411226459905,0.20791057399987437,0.193203323044237,0.18272459995170687,0.17721040577090946,0.16559328387598402],"twin_dists":[0.16348978966692537,0.1724753785270483,0.17722850113250455,0.18076247550521546,0.18601160576205972,0.19059335571038122,0.1937928686861997,0.1941956727948069,0.20268710325815692,0.20456048030945975,0.20577842488880443,0.20799320689041353,0.21178777948856514,0.21215113550141204,0.2126999009463273,0.21469120332003092,0.22089791774267,0.2216398564655801,0.22602622097321876,0.22739160859841442,0.23018560959067957,0.2355002412450571,0.23946088619629266,0.24160966080929488,0.24629768368593632],"n_dims_used":43,"mean_confidence":0.9128018756245457},"coverage":{"mean_confidence":0.9128018756245457,"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}}