{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002905},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001837","490:4900003062","490:4900004147","490:4900003324","490:4900003065","490:4900001840","490:4900004025","490:4900004288","490:4900002908","490:4900003724","490:4900003332","490:4900001291","490:4900003864","490:4900002910","490:4900002750","490:4900003457","490:4900001558","490:4900003359","490:4900002781","490:4900003199","490:4900004011","490:4900003349","490:4900002181","490:4900004156","490:4900001200"],"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":[0.666609350774552,0.6195786909624962,0.5992109704895233,0.5837712410997026,0.583262735814194,0.5716071246418818,0.5603311853213973,0.5253346177699663,0.5215847633021086,0.5083967187982109,0.46915568789393397,0.4565889766725311,0.45018548658571117,0.44493474098019276,0.4392583478565634,0.42983415838495304,0.42963812072985974,0.4246934091399735,0.4134055947162149,0.41240137910557456,0.39966169054419476,0.3989467393750785,0.39131727284074963,0.38043320710775685,0.37854598967960734],"twin_dists":[0.1169665359434793,0.12708012024408186,0.13144190501859554,0.13475015800286338,0.13485919772187197,0.13736072091502105,0.13978589235618055,0.14736260678773389,0.1481802995888043,0.15106733216443438,0.15978474677452717,0.16262564547093258,0.16408402437975456,0.16528564857014894,0.16659080497472795,0.16877246570276477,0.16881805103013675,0.169970702686655,0.172623284243676,0.1728607649427894,0.17589598196316236,0.17606759590476723,0.17790781717901705,0.18056240830397663,0.18102637381285883],"n_dims_used":45,"mean_confidence":0.9039332071940104},"coverage":{"mean_confidence":0.9039332071940104,"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}}