{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000925},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000621","491:4910000407","491:4910000413","491:4910000863","491:4910000458","491:4910000825","491:4910000366","491:4910000133","491:4910000753","491:4910000819","491:4910000027","491:4910002077","491:4910000556","491:4910002175","491:4910000801","491:4910002330","491:4910002124","491:4910002173","492:4920003069","491:4910000327","665:6650000153","491:4910000285","491:4910002171","492:4920006793","492:4920003926"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,492,491,665,491,491,492,492],"twin_sims":[0.362142519466655,0.22426226135480634,0.09236678203617274,0.0867842211903354,0.07970399891169484,0.06718403040493534,0.05289452080929228,0.05107069138432077,0.05083663013881604,0.04736599219541911,0.04726898090202479,0.04693564199573416,0.04613670118952119,0.04552404660743984,0.0431509844880459,0.03794069546807192,0.03758361842123588,0.03239075353056232,0.029625781066883204,0.0271626190186839,0.02637916663874839,0.025109377049785525,0.023980572075885522,0.023523881506750596,0.022558988279364863],"twin_dists":[0.1851080473595197,0.22456940834392902,0.28347098738365933,0.2871566007011913,0.29211284224234557,0.30181890319885424,0.31489973162148704,0.31677367223019254,0.3170181762045149,0.3207584742224214,0.3208662689114844,0.3212380760109926,0.3221382929931285,0.3228374955839196,0.32562256431400827,0.33222142551404377,0.33270117549963757,0.3401562470737049,0.3445524040526909,0.34877592509996524,0.3501884736362956,0.35255667729633766,0.35475050496851096,0.3556635605768205,0.35764432978066346],"n_dims_used":45,"mean_confidence":0.8894566853841146},"coverage":{"mean_confidence":0.8894566853841146,"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}}