{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004498},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004499","490:4900002829","490:4900004497","490:4900004208","490:4900004082","490:4900003807","494:4940008360","490:4900003806","490:4900002825","490:4900001116","490:4900002672","494:4940007627","494:4940006127","490:4900003383","490:4900001930","490:4900000855","490:4900002828","490:4900003937","490:4900005192","490:4900002683","490:4900003637","490:4900003393","490:4900007426","490:4900007304","494:4940006667"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,490,490,494,494,490,490,490,490,490,490,490,490,490,490,490,494],"twin_sims":[0.033106780969471006,0.002093092412327908,0.00028046275895189096,0.0001830615824519207,0.00017354131555579293,0.00014971434022521308,0.00010278518256955547,0.00007628378654953032,0.00007087973844581048,0.00006356976853408427,0.000058753777508861715,0.00004410868101324334,0.00003875098953761068,0.00003745812805616834,0.000034949911829618606,0.00003372696927180956,0.000031726687808194806,0.00003019190693310838,0.000025914237832848874,0.00002475670129059438,0.00002226644886180981,0.00002026506520589764,0.00001891655974741619,0.000018898052501231062,0.0000166666452006208],"twin_dists":[0.33907028400258155,0.45619465805836956,0.5252799162100256,0.5388050293753537,0.5404743558003483,0.5450639436989407,0.556580577087698,0.5655448677669211,0.56773205512179,0.570956741576695,0.5732794364511662,0.5816537029366555,0.5853970387472852,0.5863739422731896,0.5883642424342966,0.5893844685850748,0.5911316106712583,0.5925447629364808,0.596877993830817,0.5981679483617679,0.6011499749173576,0.6037868149710557,0.6057074537728965,0.605734711345859,0.6092235181278959],"n_dims_used":45,"mean_confidence":0.9248952229817708},"coverage":{"mean_confidence":0.9248952229817708,"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}}