{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001967},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001569","491:4910001060","491:4910001560","491:4910001191","491:4910001458","491:4910001966","491:4910001122","491:4910001515","491:4910002206","491:4910002255","491:4910001383","491:4910001968","491:4910001193","491:4910001514","491:4910001332","491:4910001456","491:4910001129","491:4910001507","491:4910001076","490:4900003108","490:4900003109","491:4910001443","491:4910001628","491:4910002259","490:4900003106"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,490,491,491,491,490],"twin_sims":[0.8500198929913403,0.703380598196809,0.6994947837426135,0.5405596050483457,0.5294249965205748,0.5129008400007139,0.5109398186635045,0.46810882731386816,0.4583999853929989,0.4469887077368516,0.4440969672300332,0.41693909277164315,0.3935241660182638,0.35991879847239194,0.35653116425790404,0.34837470662500486,0.30057146793684564,0.2908642354432839,0.27482875968811393,0.26810310548922994,0.26212309532354033,0.2605332463842612,0.25717981802083795,0.2523489912808255,0.251229932801607],"twin_dists":[0.07403883019093191,0.1089486942197254,0.1098030136955195,0.14405538214520136,0.14647214202664446,0.1500792562192892,0.1505091744882801,0.1600203868238274,0.16221454954321604,0.16481496618369243,0.16547786907250958,0.1717896466297952,0.17737382432132648,0.185668453740078,0.18652559448912331,0.18860679040938777,0.20137412820540904,0.20410540453931408,0.20873921711991714,0.21073180341901626,0.21252967262664293,0.21301196079072857,0.21403534257518067,0.21552453119182496,0.2158720808814751],"n_dims_used":44,"mean_confidence":0.8939413590864702},"coverage":{"mean_confidence":0.8939413590864702,"n_dims_used":44,"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}}