{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001846},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001109","491:4910001439","491:4910001497","491:4910002197","491:4910001666","491:4910001490","491:4910002726","491:4910003362","491:4910001849","491:4910001483","491:4910002369","491:4910001727","491:4910002005","491:4910002148","491:4910002345","491:4910002824","491:4910001726","491:4910003366","491:4910001438","491:4910002006","491:4910001900","491:4910003297","491:4910002727","491:4910003283","491:4910003116"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.5805767392856913,0.4427874689867769,0.3691242049456894,0.23477631379960512,0.16460734573944197,0.14233198920117282,0.135906724484822,0.1339873440521295,0.13227654200288516,0.13210020536225048,0.12883130098011703,0.12671227199781285,0.12534644415819982,0.12376469508216464,0.11671609398770709,0.11362643692475034,0.1135177511467785,0.11080704209302246,0.10765056197530437,0.10568236186092374,0.10351314331753544,0.10160694374167677,0.10144937545623695,0.10108180249784339,0.08495408677570697],"twin_dists":[0.13543527884833856,0.1657786023686258,0.1833597883911414,0.221101317259351,0.24670631373724056,0.2564547941571572,0.25947521583176203,0.26039818062337144,0.26122925660039303,0.2613153765295862,0.262927778546243,0.26398958915083565,0.26468113489615774,0.26548919291421486,0.26918885694382755,0.27086469884349007,0.27092428544761554,0.27242485272306494,0.2742083718707963,0.2753410971183294,0.2766086749953783,0.277739765957261,0.2778340022816659,0.27805428088047696,0.28840584530617536],"n_dims_used":45,"mean_confidence":0.898836432562934},"coverage":{"mean_confidence":0.898836432562934,"n_dims_used":45,"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}}