{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005341},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005473","490:4900005466","490:4900006130","490:4900005733","490:4900006971","490:4900005465","490:4900005600","490:4900008152","490:4900008040","490:4900007829","490:4900006490","490:4900005603","490:4900005865","490:4900006604","490:4900008486","490:4900006481","490:4900008509","490:4900007101","490:4900007463","490:4900009149","490:4900008057","490:4900009398","490:4900010087","490:4900006132","490:4900007468"],"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":[0.2835884681865761,0.14945372870728107,0.10546078724870415,0.0692413873621066,0.04068350870426048,0.03589153836424585,0.027928692094830683,0.025391193591244844,0.024098523644195007,0.022613600771269445,0.021839997577035575,0.021806364905352652,0.0156027140520579,0.014225470632913845,0.013262880405832114,0.012754509470621891,0.01227129302189362,0.010072570152942798,0.009601309663920607,0.009590467196930366,0.009160194720202417,0.00896883377981133,0.008868131200463713,0.006948098839126909,0.005774385104473045],"twin_dists":[0.20618826708111818,0.25322317527191135,0.27546964012344055,0.3001284761302993,0.328658544362101,0.33502853868040494,0.34742824707295367,0.3520222942027514,0.35451713453212985,0.35753027517664127,0.35916869834862225,0.3592410667293606,0.3746292745418259,0.37876714532274103,0.38187455082069366,0.3835970177287902,0.38529155822795835,0.39384058182896553,0.395887423467031,0.3959355619664621,0.3978862502005321,0.39878022656332945,0.39925754530315233,0.40943587483907645,0.4169890785548075],"n_dims_used":45,"mean_confidence":0.9259101019965278},"coverage":{"mean_confidence":0.9259101019965278,"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}}