{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002771},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004017","490:4900002320","490:4900004295","490:4900004431","490:4900003594","490:4900004015","490:4900003328","490:4900004293","490:4900003611","494:4940005779","490:4900004016","494:4940004550","496:4960004657","490:4900001597","490:4900003603","494:4940004657","490:4900003460","490:4900004444","494:4940004541","490:4900004302","496:4960004508","490:4900003462","490:4900001733","490:4900002017","493:4930004446"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,494,490,494,496,490,490,494,490,490,494,490,496,490,490,490,493],"twin_sims":[0.889073680754862,0.7928548713488867,0.6072987188179734,0.5244522706701964,0.4812532281114818,0.4291026884098312,0.42670442176863466,0.42616989243929176,0.4130150219615781,0.375230822356864,0.34955192978605826,0.3482420852187722,0.3303541471363315,0.3078008676818363,0.3035328244630163,0.30085874698912907,0.2933154501804282,0.27415126527450034,0.2727496531323282,0.27214844030459673,0.27096165674663897,0.2670300462991899,0.2618839662368234,0.2545409407066774,0.24982798130694478],"twin_dists":[0.06297912826867111,0.08848925282665647,0.12971002515253602,0.1475548918567074,0.1570742325292426,0.16894260029462443,0.16950125538802766,0.16962594538659234,0.17271561853342232,0.1818441255981531,0.18830485255352028,0.1886408391347956,0.1932984458409926,0.1993733909147378,0.2005512330102215,0.20129409336619025,0.20341069963481628,0.20893856687384652,0.20935194721279818,0.20952966443399942,0.209881186309484,0.21105256297898908,0.2126020961117383,0.21484660233424846,0.21630888652566424],"n_dims_used":45,"mean_confidence":0.9167371961805556},"coverage":{"mean_confidence":0.9167371961805556,"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}}