{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003613},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004035","490:4900002926","490:4900000904","490:4900001200","490:4900004310","490:4900004166","490:4900000929","490:4900003478","490:4900001558","490:4900002023","490:4900002781","490:4900004321","490:4900000576","490:4900001881","490:4900002001","490:4900001198","490:4900001317","490:4900000682","490:4900003349","490:4900001451","490:4900002030","490:4900005543","490:4900004737","490:4900001025","490:4900001323"],"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":[0.6172086396259816,0.6085567860037951,0.5934209161814886,0.5634474529488647,0.5064724373837884,0.48716279679872965,0.4658226579422429,0.4392593907535984,0.438646788170004,0.4381010480856845,0.4243370840256187,0.42427076023301685,0.41332867843405724,0.40531382707371344,0.40129145899628577,0.4001922261389922,0.3935129109691586,0.386232229104572,0.3834250294473332,0.3760100110957234,0.36756644081066847,0.35441860178977025,0.35042512212592797,0.3493321298614091,0.34924221999669625],"twin_dists":[0.12758780799509753,0.12944063768723618,0.13268207007836683,0.13911506189896924,0.15149015538566815,0.15575811328123204,0.16053561312675926,0.1665905645839116,0.1667318098839522,0.16685770430926494,0.17005397879306994,0.1700694824234241,0.1726414648258809,0.17454412423089394,0.1755052996637454,0.1757687246310609,0.1773765441217076,0.1791436215668707,0.17982914773370298,0.181651607304478,0.18374841343914874,0.18706223923473492,0.18808123779763325,0.18836118694875295,0.188384236071994],"n_dims_used":45,"mean_confidence":0.9170777214898004},"coverage":{"mean_confidence":0.9170777214898004,"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}}