{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012317},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012386","490:4900012603","490:4900012255","490:4900012531","490:4900013194","490:4900012601","490:4900012389","490:4900013021","490:4900012740","490:4900013155","490:4900012388","490:4900012527","490:4900013020","490:4900012387","490:4900012529","490:4900013120","490:4900012871","497:4970001780","490:4900012802","490:4900012982","490:4900013081","494:4940007428","497:4970001283","490:4900000994","490:4900012795"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490,490,494,497,490,490],"twin_sims":[0.23165250130923093,0.21464818513515282,0.1543864499478872,0.14091759956411562,0.12467280572442732,0.1156494726080754,0.08265067679930284,0.07106186708929334,0.06630387802856118,0.06491632026120953,0.0571079617739705,0.0555152803498815,0.051098649269399166,0.048362256110223045,0.04117159964665799,0.04035607167318522,0.03855726247951701,0.037502451333206455,0.03737362033144696,0.036304053600498626,0.03473829516900916,0.03346511688771285,0.03148592106458309,0.030740573816156927,0.030562215806494958],"twin_dists":[0.2221208291818735,0.22783664350423474,0.25105087130174475,0.2571108112277704,0.2650243194235246,0.2697635009354998,0.29000901859746137,0.298666392921389,0.3025549818545731,0.30373176429702325,0.3107672455261257,0.3122986979622927,0.3167445293599911,0.3196620151284439,0.3280459149740207,0.32907301328987154,0.33140196913023084,0.3328107659200705,0.3329851249058801,0.334452696712855,0.33666877110141435,0.33853432084941526,0.34155828595506676,0.3427393317576103,0.34302558210815765],"n_dims_used":45,"mean_confidence":0.9090774536132813},"coverage":{"mean_confidence":0.9090774536132813,"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}}