{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001437},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001611","491:4910003367","491:4910001229","491:4910001724","491:4910001610","491:4910001898","491:4910001788","491:4910001843","491:4910001988","491:4910001547","491:4910001897","491:4910001669","492:4920004497","491:4910002418","491:4910001488","491:4910003339","491:4910002151","491:4910001937","491:4910003495","491:4910002447","491:4910001612","491:4910001246","491:4910001310","492:4920007106","491:4910001551"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,492,491,491,491,491,491,491,491,491,491,491,492,491],"twin_sims":[0.22460284056981253,0.13024117051516831,0.11786289327023025,0.10875422648924006,0.08648798509219408,0.07461106688449215,0.07194256524254261,0.07170831361834626,0.06486451173167285,0.05765042246243373,0.05467009606910255,0.04975765764954214,0.047802600303126344,0.04059753880927966,0.038487922225924585,0.033369908334363964,0.03186688934848693,0.029012695214442823,0.02866302526860009,0.028568705189109825,0.028536443419225354,0.02503248884074232,0.024780773469095786,0.024202084141432403,0.023953523287073678],"twin_dists":[0.22445539918803661,0.26222861146119275,0.2685754941336198,0.27358021417811734,0.28735737891180907,0.29590108133777876,0.29796995717820796,0.2981545205165567,0.3037760992768199,0.3102536886788993,0.3131261988862437,0.3181575533281246,0.3202756069615614,0.3287670914844922,0.33149357063940077,0.3386762449341187,0.3409638307615297,0.34557459753452263,0.34616593454162936,0.3463265030313275,0.34638152934624267,0.35270337320247286,0.3531863644544026,0.35431305113416633,0.35480416181643615],"n_dims_used":45,"mean_confidence":0.895709737141927},"coverage":{"mean_confidence":0.895709737141927,"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}}