{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009531},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010231","490:4900010828","490:4900010233","491:4910005846","490:4900011222","490:4900010140","490:4900009847","490:4900011251","490:4900010230","490:4900010331","490:4900010687","490:4900009945","490:4900008669","490:4900010997","490:4900008115","490:4900008106","490:4900010669","490:4900011383","490:4900011154","490:4900009660","491:4910005409","490:4900009535","490:4900009839","490:4900010604","497:4970001520"],"twin_admin_codes":[490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,497],"twin_sims":[0.023831322858685104,0.02262861888184805,0.011754742690120073,0.009551526315547766,0.009120692140495098,0.008360217931735272,0.0072892542955868295,0.0071793186054633145,0.006844142758111658,0.006524401765940991,0.006470860298852192,0.006334967273244343,0.005666190855753735,0.0050636888800710995,0.004953274108199818,0.004777664463242382,0.00443321391880244,0.003556232924763685,0.0031958161400159443,0.00316237132418713,0.0031016724484303733,0.0027848384968063066,0.00268259364924333,0.002527736833679942,0.0023936858462672295],"twin_dists":[0.3550472275454737,0.3574989527573619,0.38716970025651853,0.3961088535055165,0.398069417388175,0.40174152153934256,0.40745640404481104,0.40808501656743223,0.4100564381087846,0.41201976506960675,0.4123569666806724,0.4132242354526771,0.4177534850333019,0.4222682779883397,0.42314800064703584,0.42458444783616967,0.4275467517731179,0.43615609912742614,0.44026925491215896,0.44067212048989607,0.4414133223245564,0.4455117231746755,0.44692568791628806,0.4491641467536254,0.451205760129218],"n_dims_used":45,"mean_confidence":0.8878031412760417},"coverage":{"mean_confidence":0.8878031412760417,"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}}