{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003484},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003544","480:4800003543","480:4800003743","480:4800005060","493:4930000180","490:4900002658","480:4800004544","493:4930006186","480:4800003747","493:4930000552","480:4800004120","493:4930002720","493:4930000733","490:4900000185","490:4900002509","490:4900004321","490:4900002647","490:4900002356","490:4900000281","490:4900000098","493:4930000945","493:4930000735","490:4900002202","490:4900001611","494:4940000720"],"twin_admin_codes":[480,480,480,480,493,490,480,493,480,493,480,493,493,490,490,490,490,490,490,490,493,493,490,490,494],"twin_sims":[0.5536425203449946,0.45385319155240883,0.3780356760017746,0.3278916991315579,0.2451849288308595,0.21746249804430423,0.21038711248822797,0.2020475619815975,0.1913526873792207,0.18959879974014585,0.18165198730074403,0.18069650198420098,0.17285119700244306,0.17224334985568115,0.17163927028893525,0.16644831888581627,0.16611493337199296,0.16266709183079422,0.1624738156320016,0.1591457062732448,0.15854000463497653,0.1577932057759906,0.152645168463763,0.15069640238085397,0.15025532444333725],"twin_dists":[0.14122751093855807,0.16324778766067705,0.18115202500143052,0.19395022237196544,0.21776683438130792,0.22687023737140904,0.2293162787706511,0.2322722442202142,0.2361886030349554,0.23684527820889884,0.23987523036963615,0.24024578780690403,0.2433422462227821,0.2435863076664211,0.2438294678528539,0.24594472732733644,0.2460821921041357,0.24751566527863406,0.24759667007792746,0.2490026278309249,0.24926080050020355,0.249580105183273,0.2518118084992481,0.25267101006456844,0.25286661193746324],"n_dims_used":43,"mean_confidence":0.9206846370253452},"coverage":{"mean_confidence":0.9206846370253452,"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}}