{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010513},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010688","490:4900010686","490:4900010937","490:4900011082","490:4900010927","490:4900010602","490:4900011096","490:4900011390","490:4900010671","490:4900010940","490:4900011973","490:4900011018","490:4900011011","490:4900010600","490:4900011912","490:4900010516","490:4900009864","490:4900010838","490:4900011238","490:4900007901","490:4900010342","490:4900010776","490:4900011320","490:4900010495","490:4900011252"],"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":[0.45210143204152503,0.43007891568157075,0.3098820833175844,0.2755792514780181,0.2751034948121518,0.2644499058289132,0.2448835745299276,0.23783635690757762,0.23759626773324977,0.2240680639265245,0.21544331334893255,0.20717058350475323,0.20119682138364156,0.20077399256873316,0.20018755684393105,0.19643581063474472,0.18242012481517725,0.17558125635469046,0.1694034473352299,0.16045920288753068,0.15883341948278348,0.1548009139548085,0.14860605378690553,0.145813742366637,0.14115040292803527],"twin_dists":[0.16364687544330822,0.16871556332449694,0.19880245695078194,0.20851873949339755,0.20865846337308108,0.21182711527139797,0.21786207268478366,0.22011119661750617,0.22018857913493195,0.22463446767211342,0.22756274349772715,0.23044673361926718,0.2325784572513092,0.2327309804965275,0.23294288677182443,0.23430880565483322,0.23957832821856234,0.24225357907734754,0.24473482682749526,0.2484452135460063,0.24913564659687867,0.2508706786045335,0.25360177197228395,0.25486028871366034,0.25700249728518354],"n_dims_used":45,"mean_confidence":0.8915456136067709},"coverage":{"mean_confidence":0.8915456136067709,"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}}