{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004750},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004742","490:4900004341","490:4900005812","490:4900004884","490:4900005820","490:4900004754","490:4900006067","490:4900004612","490:4900004474","490:4900007045","490:4900004613","490:4900004752","490:4900006069","490:4900004748","490:4900004883","490:4900007162","490:4900004061","490:4900006794","490:4900004204","490:4900006554","490:4900006672","490:4900004882","490:4900003509","490:4900006068","490:4900006913"],"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":[0.1986897928382555,0.18789995141895394,0.1461327179061632,0.06007285951213211,0.0594488728919885,0.04937596320568479,0.04929343733354589,0.04495334049294132,0.04444669739030523,0.03762735496382231,0.03699207235841546,0.028412999583165188,0.02385769619656087,0.022797528839695373,0.02110875060490473,0.016680290457696728,0.015508846520189705,0.012172536848636884,0.011728582137562567,0.011546499780723685,0.009806173907033672,0.009325791578283723,0.007539532845225429,0.007423198867132357,0.0054558412385766345],"twin_dists":[0.23348604736668638,0.23748540864844125,0.2547156271585714,0.3080078066945,0.30857908238187054,0.31856554762467865,0.31865410530989946,0.32349595541393433,0.3240864035491281,0.33264220631395713,0.33350451613775617,0.34659257250953746,0.3549946778193977,0.35714790391762186,0.3607644710876708,0.3716102619450073,0.37490086437190817,0.38564513711888976,0.38726675335456334,0.38794763459208337,0.3949868621331373,0.39712600279943494,0.40605648640375896,0.4067019186446436,0.4192781526704618],"n_dims_used":45,"mean_confidence":0.8997367011176215},"coverage":{"mean_confidence":0.8997367011176215,"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}}