{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004218},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003128","490:4900003650","490:4900004225","490:4900003951","490:4900003123","490:4900002984","490:4900004087","490:4900003122","490:4900003655","490:4900002847","490:4900003136","490:4900004487","490:4900002981","490:4900001928","490:4900002084","490:4900002699","490:4900003520","490:4900004086","490:4900004226","490:4900003389","490:4900002977","490:4900002549","490:4900003789","490:4900003517","490:4900007553"],"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":[0.3971259198319847,0.3144231661540605,0.29914146145120346,0.2602099242590065,0.2587289742193039,0.2151338464118451,0.20859962041389926,0.19156781463121164,0.17874248308756432,0.1625203453595889,0.15388317566753473,0.14822644198843934,0.1409562592950987,0.12319472305548423,0.12243607419592717,0.09917250656442299,0.07726370633922772,0.05504517330879998,0.05445304563434985,0.0526665338949093,0.05266088114036088,0.05204969910852139,0.046878414602322796,0.04513753911282251,0.042645191602568355],"twin_dists":[0.17650529306028812,0.197564286108973,0.20177318924306542,0.2131102680053617,0.2135615407410318,0.2276692652336442,0.22994303145498937,0.23610834668604347,0.2410079395299172,0.24757716242806835,0.2512701521568173,0.2537718343736658,0.25709281520318844,0.2657822956645474,0.2661740294946753,0.27920866953921536,0.2939028915262059,0.31275767193600207,0.3133404159802231,0.3151310194674577,0.3151367646162049,0.31576097882952686,0.32130212960150395,0.3232826714648067,0.326232755998195],"n_dims_used":45,"mean_confidence":0.9182969835069444},"coverage":{"mean_confidence":0.9182969835069444,"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}}