{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011006},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011005","490:4900011158","490:4900010929","490:4900011088","490:4900011007","490:4900010838","490:4900010672","490:4900011900","490:4900010509","490:4900011175","490:4900010931","490:4900010850","490:4900010759","490:4900011086","490:4900010917","490:4900011157","490:4900011087","490:4900011090","490:4900011232","490:4900010580","490:4900010846","490:4900010677","490:4900011320","490:4900010845","490:4900010133"],"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":[0.5456362186094403,0.3959007307830263,0.3487250806435078,0.2855527931535181,0.26752796936034307,0.26657255189188683,0.25592748065719473,0.24081623984845352,0.21755463574972153,0.19149194807964426,0.17907658971241958,0.15552549593885084,0.15410077355791052,0.14773297015129377,0.14603634568491997,0.1358047682483187,0.13374995938581086,0.12498491883039896,0.11416310784539764,0.11174172792938546,0.11132882305120409,0.1108560225517741,0.10895326337394663,0.10484707028116522,0.10356919243633425],"twin_dists":[0.14295668837733966,0.17680032756230812,0.18851686945985452,0.2056228034792055,0.2109036241809635,0.21118956093461314,0.21441968334000533,0.21915496228485834,0.2268387409402869,0.23613664262692793,0.24087720633596474,0.2505565052185989,0.2511752785412032,0.2539933862087913,0.2547593091587182,0.25952399639302687,0.2605130192208725,0.26486513901033604,0.27057111254259797,0.2719042707449459,0.27213382568381034,0.272397488551949,0.273467457356415,0.2758267783819986,0.2765756636250843],"n_dims_used":45,"mean_confidence":0.8927985297309028},"coverage":{"mean_confidence":0.8927985297309028,"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}}