{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011913},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010773","490:4900011648","490:4900010772","490:4900011782","490:4900011712","490:4900011780","490:4900011650","490:4900012167","490:4900011846","490:4900011972","490:4900010855","490:4900011911","490:4900011514","490:4900011983","490:4900011915","490:4900011916","490:4900011654","490:4900011299","490:4900011094","490:4900011172","490:4900009011","490:4900010935","490:4900011513","490:4900012100","490:4900011718"],"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":[0.21013722960147588,0.20850280202544433,0.20758675563957735,0.1900727176971038,0.17553102604337686,0.1750485133492822,0.17413256940255187,0.17325040045532067,0.16655588067044627,0.16323573647415626,0.16188175929372867,0.13236380462883637,0.12079046178756911,0.0918290816010669,0.09077492079345195,0.08929393492814271,0.072928938022333,0.07234367058467925,0.07168676225278994,0.06647020463768794,0.06520030131578192,0.0612021421994222,0.06106941460520411,0.059204376140611394,0.05883523987079364],"twin_dists":[0.22940367757167937,0.22997708328249789,0.23029979881709742,0.23666742101961005,0.24227350000144052,0.24246506782259947,0.24282975560197947,0.24318229269914832,0.24590041877124136,0.24727774194133026,0.24784524487198642,0.2611866709277707,0.26703015485151704,0.2838181755743392,0.2845035293960207,0.2854771050043266,0.2971981072162448,0.2976550595317273,0.29817152503995126,0.3024152735209145,0.3034892607129038,0.30698620706041546,0.3071054713491898,0.30880427121005927,0.3091457114525449],"n_dims_used":45,"mean_confidence":0.8907605489095052},"coverage":{"mean_confidence":0.8907605489095052,"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}}