{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000658},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001155","490:4900000801","490:4900001419","490:4900000779","494:4940008499","496:4960007783","490:4900002923","490:4900002454","490:4900006399","490:4900005882","490:4900003309","490:4900001145","487:4870003125","490:4900001016","490:4900001040","494:4940007687","494:4940008827","494:4940008661","490:4900003841","490:4900002337","494:4940008788","490:4900006149","490:4900004049","490:4900001006","494:4940008620"],"twin_admin_codes":[490,490,490,490,494,496,490,490,490,490,490,490,487,490,490,494,494,494,490,490,494,490,490,490,494],"twin_sims":[0.5615527236424582,0.539395883877347,0.4940940569447648,0.49352399256680696,0.46734514843040337,0.42621803901041316,0.38742659871674123,0.37188669691882836,0.3620079348716501,0.3566240926721356,0.3558905392431502,0.35186800112605093,0.35138872367891844,0.3505174267041466,0.3464066291932487,0.3426103661598441,0.34258237010035575,0.3367928657052259,0.3245738870204915,0.3236239531972573,0.3198262259075165,0.317775658291946,0.3056236873861936,0.30451325317511474,0.30132836150509523],"twin_dists":[0.13952287617852505,0.1443075046228185,0.1542206225721153,0.15434683220368003,0.1601923983182575,0.16961471155627947,0.17885267130056845,0.18267261459557177,0.18514191455313084,0.18650202603300722,0.18668815569639555,0.18771237028891863,0.18783480832273344,0.1880576166873547,0.18911277047495423,0.1900930804238167,0.19010033124599363,0.19160665997209572,0.19483268929713077,0.1950862718744045,0.19610423785731518,0.19665670364778556,0.19997303415839918,0.20027982277137701,0.20116335656361733],"n_dims_used":45,"mean_confidence":0.9167783949110243},"coverage":{"mean_confidence":0.9167783949110243,"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}}