{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002000},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002178","499:4990003299","499:4990002818","499:4990003102","499:4990003307","499:4990003249","499:4990001721","499:4990002970","499:4990002583","499:4990003035","499:4990003103","499:4990003107","499:4990001989","499:4990003036","499:4990003729","499:4990003038","499:4990003314","499:4990003104","499:4990003365","499:4990003176","499:4990001795","499:4990001630","499:4990001529","499:4990001910","499:4990002671"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499],"twin_sims":[0.7790280336413866,0.7768662300742348,0.7702042983287127,0.7588587705920713,0.7508379424550862,0.7298734141598696,0.7077730018948506,0.7029790632355601,0.6823472082698655,0.6803518847043235,0.6769558521827205,0.6713862678329594,0.6700539356212563,0.6633104998927233,0.6632784727172859,0.6548251147311027,0.6379021785801776,0.6370926534786358,0.6265388987992596,0.6226939320826466,0.6201327589373465,0.6192217474738335,0.6173638881320811,0.616127040921869,0.6011056321359936],"twin_dists":[0.09178152869165676,0.09229080748032538,0.09385163539901743,0.09648190120660859,0.09832201041209354,0.10306572312270881,0.10798059727664183,0.1090370645620863,0.11355170078371789,0.1139858791939707,0.11472398260824666,0.11593226269951083,0.11622091458872494,0.11767976999447723,0.11768669062020592,0.11951093501073881,0.12315092153402842,0.12332472387621637,0.1255886181416232,0.1264126717901331,0.12696142169544813,0.12715658610025998,0.1275545546044481,0.12781947243986083,0.13103616216855962],"n_dims_used":44,"mean_confidence":0.92659161307595},"coverage":{"mean_confidence":0.92659161307595,"n_dims_used":44,"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}}