{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001842},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002192","491:4910003228","491:4910001541","491:4910001663","491:4910001545","491:4910001179","491:4910003232","491:4910001419","491:4910002349","491:4910001232","491:4910001783","491:4910001031","491:4910001784","491:4910002089","491:4910002095","492:4920000380","491:4910001615","491:4910003533","491:4910002134","491:4910002043","492:4920000406","492:4920003898","491:4910001616","492:4920000760","491:4910001418"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,492,491,491,491,491,492,492,491,492,491],"twin_sims":[0.23697726757858925,0.2252549287039947,0.21972663257932418,0.20164095845410812,0.18140421959060982,0.165332452994322,0.16325875720969307,0.16117509639201943,0.16065552893074278,0.15508151747959115,0.14408807418722047,0.14053251607310874,0.13793543294771338,0.13564538629790213,0.1310535654862797,0.12758820545233934,0.12470656813378131,0.11994527495124452,0.11935392567878063,0.11852554401937382,0.11738162967828221,0.11566387923264186,0.11448546662445676,0.11299102629688466,0.10989425089136294],"twin_dists":[0.22038832299870326,0.22423743259869738,0.22609884403978042,0.23241848502371618,0.23997118729750663,0.24640561582088197,0.24726812261974243,0.24814280209469924,0.248362183100499,0.2507488835919402,0.25564700332741525,0.25729026787618314,0.25851023786274513,0.2596003070892669,0.2618283284370865,0.2635490555286582,0.2650070857054403,0.26747332560265363,0.26778481846725577,0.2682231590684614,0.2688323371643684,0.269755712283393,0.27039527617926,0.2712136847054571,0.27293652554445735],"n_dims_used":45,"mean_confidence":0.8980409410264757},"coverage":{"mean_confidence":0.8980409410264757,"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}}