{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002849},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001946","490:4900003672","490:4900003405","490:4900004937","490:4900002256","494:4940007760","490:4900009813","490:4900010348","490:4900011532","490:4900006022","490:4900009049","490:4900003537","490:4900008835","490:4900008398","490:4900012218","490:4900009868","490:4900003272","490:4900009565","490:4900008151","490:4900005076","490:4900006126","490:4900011260","490:4900011663","466:4660004721","490:4900004524"],"twin_admin_codes":[490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490],"twin_sims":[0.2656110137052546,0.18383543581152242,0.04019329391751172,0.03795049235944295,0.02647174135463647,0.023451402858733535,0.01587727905091845,0.01395186468590221,0.012836388924967286,0.01278045158149919,0.01189838978978563,0.011577489704246246,0.010008125750616855,0.008551339604446961,0.008457950678135722,0.008049568218945034,0.00746539040162253,0.006905950600527209,0.006412850177505131,0.006021032033774922,0.004975513942592007,0.004391848842919823,0.004302498712843897,0.004012217089450897,0.0029814103583365964],"twin_dists":[0.21147797360999854,0.239033582284755,0.32928011434126975,0.33220831693662567,0.35001969367207053,0.3558098759650748,0.37384303749818226,0.3796310178714963,0.3833155343684971,0.3835076618125511,0.38664017466659356,0.38783108041964404,0.39411537989361173,0.40079137703814743,0.4012532501742678,0.403328218913689,0.40646679302245103,0.40968646438549217,0.412725160298405,0.41529371639626284,0.42296938763314285,0.4279164314393187,0.428725865827564,0.43146530319188714,0.4429218469240856],"n_dims_used":45,"mean_confidence":0.9204755995008681},"coverage":{"mean_confidence":0.9204755995008681,"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}}