{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003798},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001928","490:4900004086","490:4900002383","490:4900003137","490:4900003516","490:4900002529","490:4900002549","490:4900003665","490:4900001927","490:4900004083","490:4900002389","490:4900002535","490:4900004216","490:4900004364","490:4900002377","490:4900002234","490:4900004487","490:4900002527","490:4900002548","490:4900001112","490:4900002977","490:4900002675","490:4900004504","490:4900004085","490:4900003789"],"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":[0.5909562267414882,0.5338604113203914,0.4250221768123909,0.37197134565740175,0.34225075312419656,0.3341131401842329,0.31067295485364094,0.27577624662568795,0.27259521435475276,0.2450694790873403,0.23452100313917024,0.23266161663052454,0.22016530475483723,0.20720622987686593,0.2029700710140345,0.191509986663369,0.17697409003789186,0.17014660032587622,0.16242893146973192,0.16048138901047182,0.1524147466463706,0.15171360355145272,0.13997568880931857,0.13944672011247425,0.1273697812675149],"twin_dists":[0.13321011991956364,0.14550822213134454,0.169893892768483,0.18265159813118845,0.1901862422357464,0.19230860523089716,0.19858607639761255,0.20846092767325497,0.20939757595476374,0.2178033115441061,0.22118430726236193,0.2217905044850094,0.22595000510742289,0.2304341403384153,0.2319411989270183,0.2361299140695496,0.2417028022269273,0.24443295334333168,0.2476154916599622,0.24843582686574614,0.2519129787663688,0.25222151899088024,0.2575504097853629,0.2577982522900057,0.26365869277214943],"n_dims_used":45,"mean_confidence":0.9187947591145833},"coverage":{"mean_confidence":0.9187947591145833,"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}}