{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011438},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011436","490:4900011437","490:4900011634","490:4900011699","490:4900011833","490:4900011565","490:4900011374","490:4900011442","490:4900011843","490:4900011372","490:4900011837","490:4900011644","490:4900011435","490:4900011305","490:4900011165","490:4900011232","490:4900011375","490:4900011703","490:4900011160","490:4900011573","490:4900011501","490:4900011369","490:4900010666","490:4900011630","490:4900010426"],"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":[0.531393937859332,0.2996629582279367,0.2810251372721577,0.22962019810989978,0.2144243053517692,0.15522084434286854,0.146556158797365,0.14250048672934168,0.1417452396952106,0.1395190214591215,0.13728237136063454,0.13093225871111228,0.12090506929346867,0.118320622444134,0.11535550005957985,0.1123739350719617,0.10110399567413472,0.10035607727656383,0.09910349231466288,0.09483855481543063,0.09183847225564822,0.0884801804045793,0.0827462371032393,0.08198940067542992,0.06850689759774477],"twin_dists":[0.14604403751555747,0.20162753009805046,0.2069297307703887,0.22278897194677094,0.22791388750270622,0.25068846914426934,0.2545239490939586,0.25637696598160326,0.2567263467306672,0.2577643349478753,0.25881970781940034,0.2618879795954784,0.26697024329865304,0.2683319555320276,0.2699225943261815,0.2715540597523675,0.27804096323895483,0.2784910381106254,0.2792507213525155,0.2818952153097863,0.283812098345948,0.286017515108,0.2899418035230167,0.2904758568028228,0.30072722011650144],"n_dims_used":45,"mean_confidence":0.8890697903103298},"coverage":{"mean_confidence":0.8890697903103298,"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}}