{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001573},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000994","491:4910002365","491:4910001256","491:4910001076","491:4910001457","491:4910001968","490:4900001912","491:4910001628","491:4910003061","491:4910002063","490:4900002968","491:4910001396","491:4910001507","490:4900005690","491:4910001514","490:4900006074","491:4910001389","491:4910001515","491:4910002312","491:4910001324","491:4910001403","491:4910001193","491:4910001569","491:4910001633","491:4910001967"],"twin_admin_codes":[491,491,491,491,491,491,490,491,491,491,490,491,491,490,491,490,491,491,491,491,491,491,491,491,491],"twin_sims":[0.18911516178774557,0.1603706307395024,0.1534195549824912,0.14946356541437494,0.141237343208389,0.1043824762669478,0.10265533542938426,0.08831756866174041,0.08776737833643168,0.0723120098076646,0.07011409367213947,0.06688619434881851,0.06171298671338353,0.06006413009851857,0.058577442396804465,0.05690383726605364,0.05367152206243927,0.05202921802669651,0.0511752789722191,0.046813677768152574,0.04527253101892352,0.044422614489400346,0.04292887485699247,0.04110619978162879,0.0371123252765669],"twin_dists":[0.23702710403910313,0.24848269675253642,0.25147262116784264,0.2532187912098374,0.2569620816231775,0.2760982215575376,0.27711564744422085,0.2861259772099464,0.28649413434193854,0.2976798641419658,0.2994237337087084,0.3020671012507447,0.3065291524047826,0.3080157649646999,0.30938521426129717,0.3109615364560595,0.3141176436299478,0.3157820018398842,0.31666471968018817,0.3213746672798847,0.32312682706511875,0.3241146104238332,0.325889773783496,0.3281276453002384,0.3333403305968347],"n_dims_used":45,"mean_confidence":0.8974402533637152},"coverage":{"mean_confidence":0.8974402533637152,"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}}