{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009751},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009553","490:4900009348","490:4900009759","490:4900009649","490:4900008925","490:4900008482","490:4900009554","490:4900007797","490:4900008699","490:4900009136","490:4900009552","490:4900009105","490:4900009030","490:4900009128","490:4900008916","490:4900008698","490:4900008813","490:4900008024","490:4900008586","490:4900008914","490:4900009449","490:4900009750","490:4900009654","490:4900008017","490:4900008132"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.2162634764452432,0.08716059235548146,0.038013935796925184,0.023849372384850243,0.021196597684162054,0.018622102784710548,0.01469177942062093,0.013915213723411628,0.010977822026006064,0.007142396285943579,0.00693670042325824,0.004930336541617838,0.0048863311932435295,0.003787781632717233,0.0035597344844289953,0.0031752907319639702,0.003018053536616324,0.0029354153770621014,0.0022160911415690064,0.0022114717274526437,0.0021070774553890123,0.0018524453057534238,0.0018485234832619883,0.0016360231489768145,0.0010425160630976433],"twin_dists":[0.2272809328554045,0.2869022946057548,0.3321234967610859,0.35501125784605914,0.36057024680583716,0.36657777850350654,0.37732806360720594,0.3797478718110974,0.39013734896230584,0.4082980798405219,0.4095035081918071,0.4233329798792067,0.4236900526589695,0.43370980780116897,0.43611803794261167,0.4405160383677787,0.44245640561509253,0.4435135325492833,0.4540784440257204,0.4541559494428087,0.4559483700319964,0.4606883943792554,0.46076598451615813,0.46521494173833405,0.48127630644895353],"n_dims_used":45,"mean_confidence":0.8940553453233507},"coverage":{"mean_confidence":0.8940553453233507,"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}}