{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000660},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000783","492:4920006759","492:4920006844","492:4920006657","492:4920006256","492:4920007033","492:4920006652","492:4920006950","491:4910000593","491:4910000444","492:4920006951","491:4910000592","492:4920006891","491:4910000781","492:4920007085","492:4920006850","492:4920006916","491:4910001973","492:4920005620","492:4920006880","491:4910001020","491:4910002083","492:4920006757","492:4920006743","492:4920006879"],"twin_admin_codes":[491,492,492,492,492,492,492,492,491,491,492,491,492,491,492,492,492,491,492,492,491,491,492,492,492],"twin_sims":[0.5250697433879545,0.4587866364172038,0.41174374550834814,0.40447500765496447,0.3764042231024405,0.3722544283436221,0.3666798911302301,0.35078073468965165,0.3474315322633945,0.34193788343511805,0.340229870020156,0.3234574597022564,0.3005306448535562,0.2859442312691149,0.27793958769601323,0.27354868475169064,0.2632598287936895,0.2605674853850212,0.2591281062462809,0.2589124373533465,0.2426941056949651,0.2414941716568751,0.2407264784333386,0.23613452763401677,0.22919708102764297],"twin_dists":[0.14742032180153913,0.1621268561715786,0.17301642104725107,0.17474421195614473,0.1815542815707142,0.18258133194554985,0.18396995431224933,0.18799025299227218,0.18884908595319697,0.19026733716012814,0.19071075042894206,0.1951307595604673,0.20138550498373914,0.2055104014022053,0.20782770947319532,0.20911612769412113,0.21218596212085403,0.21300155479351723,0.2134397581436204,0.21350554804327115,0.21855630132575352,0.21893849085747746,0.2191836537566734,0.22066081325078868,0.222928566629905],"n_dims_used":44,"mean_confidence":0.8962270563299005},"coverage":{"mean_confidence":0.8962270563299005,"n_dims_used":44,"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}}