{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001716},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001899","491:4910002096","491:4910001665","491:4910001727","491:4910001492","491:4910001100","491:4910001241","491:4910002230","491:4910001483","491:4910001599","491:4910001657","491:4910001950","491:4910001785","491:4910000964","491:4910001605","491:4910001608","491:4910002133","491:4910001885","491:4910001999","491:4910001896","491:4910001725","491:4910002282","491:4910001834","491:4910001482","491:4910001734"],"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":[0.548748744221541,0.5248361245605253,0.5219895749920342,0.5001320881220079,0.4480815488212795,0.4467848956170308,0.4322054353317089,0.4304984605746781,0.4092538402687671,0.40746412860918774,0.4051446759004812,0.3967581539327785,0.3884423142517332,0.38392794871860175,0.37752409085872024,0.37436026272487033,0.3674759364141697,0.36328393719136304,0.36320996894394003,0.35738295491538513,0.35311110882279056,0.3396776465540994,0.33766103141843745,0.33547270205147284,0.3312214429585294],"twin_dists":[0.14228395921024276,0.14747123177071572,0.14809196183195072,0.15288638406796487,0.16456486785994692,0.1648616344910614,0.16822173229616183,0.16861805614231254,0.17360674766514242,0.1740320434754295,0.17458445778722093,0.17659380981195882,0.17860557493642984,0.17970615787664937,0.18127807202485618,0.18205945119848826,0.18377101740690754,0.18482107455487568,0.18483965763582574,0.18630968198529407,0.18739520561773299,0.19085436685981436,0.19137989563413987,0.19195209251377648,0.1930695201138356],"n_dims_used":45,"mean_confidence":0.8977277967664931},"coverage":{"mean_confidence":0.8977277967664931,"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}}