{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":498,"cluster_id":4980001558},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000010434","498:4980002191","500:5000011450","489:4890005297","478:4780005944","472:4720004885","478:4780005375","472:4720007700","500:5000011481","499:4990001178","498:4980001057","478:4780001803","499:4990003939","468:4680002879","498:4980000570","472:4720005876","499:4990004087","489:4890004791","500:5000008539","489:4890005327","468:4680003902","468:4680001124","500:5000004633","498:4980002727","496:4960000807"],"twin_admin_codes":[500,498,500,489,478,472,478,472,500,499,498,478,499,468,498,472,499,489,500,489,468,468,500,498,496],"twin_sims":[0.27358261005582996,0.2581108059408475,0.24380526798909136,0.21176721026907103,0.17749859969689058,0.17143364872817138,0.14461698534460773,0.14229144368876884,0.14193815023626252,0.13601518567217258,0.13178027734415937,0.12939113901429702,0.12063372656221043,0.11702604272250934,0.11600807616992423,0.11537206139165694,0.10766913220264931,0.10747184778018944,0.1074597905793665,0.10637734403266555,0.10599561468792558,0.10464457917961101,0.09993351840798144,0.09930969227541005,0.098962394890468],"twin_dists":[0.20910612463717748,0.21375038929117457,0.2182034749739504,0.22883484218085617,0.2414961915841338,0.243912376519921,0.25540513929477715,0.2564735321532417,0.25663697401262914,0.2594233531003394,0.26147184539673296,0.2626494612261803,0.26711215914546926,0.2690226275444439,0.26956985031373537,0.2699136233138082,0.27419776129754725,0.27431055743784916,0.2743174562743078,0.2749392686237631,0.275159725490025,0.2759449702468901,0.27874648275850594,0.27912514749105394,0.2793367664152555],"n_dims_used":45,"mean_confidence":0.9303487141927084},"coverage":{"mean_confidence":0.9303487141927084,"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}}