{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003451},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002746","490:4900003852","490:4900001817","490:4900003179","490:4900004278","490:4900004547","490:4900004674","490:4900002743","490:4900002150","490:4900003598","490:4900003721","490:4900002899","490:4900001410","490:4900012915","490:4900003579","490:4900003988","490:4900001689","490:4900002318","490:4900002587","490:4900003990","490:4900003996","490:4900001670","490:4900004416","490:4900002467","490:4900012853"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.47186325364521,0.4703131120581906,0.38023761315519855,0.36682953970206633,0.36359895215619686,0.3568643224099522,0.33459711947756776,0.32613659828585356,0.31609913899635966,0.3136394067196469,0.3045100922498191,0.2852244685665108,0.2763442735963614,0.27441608042885307,0.26901409634744217,0.26280647206171753,0.2572537540131345,0.24892225090671155,0.23684760890252107,0.23444756825746596,0.234199442661479,0.23399519320678613,0.23055652125661133,0.2294992278728914,0.22722902304614093],"twin_dists":[0.15917611849475607,0.15952442728112268,0.18061044258140752,0.18393253964972672,0.1847419546179651,0.18644111374419667,0.19218160302334042,0.19441642244733517,0.19710988799522433,0.1977772545865264,0.20028069698955572,0.205717153842302,0.20829437110076404,0.20886061025051464,0.21046011380982088,0.21232293058483082,0.21401268873743923,0.21659191856551135,0.22043020540048483,0.2212081885971163,0.22128891637650838,0.22135541111465395,0.22248066286378795,0.22282886506555508,0.22358011682668047],"n_dims_used":45,"mean_confidence":0.9062024434407552},"coverage":{"mean_confidence":0.9062024434407552,"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}}