{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002988},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002809","489:4890002553","489:4890002262","489:4890003491","489:4890002471","489:4890002810","489:4890002720","489:4890002473","489:4890001975","489:4890003554","489:4890003151","489:4890002061","489:4890002831","489:4890003573","489:4890001976","489:4890002648","489:4890001993","489:4890003446","489:4890001894","489:4890002549","489:4890002260","489:4890003450","489:4890003150","489:4890001906","489:4890002987"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.909653702394383,0.8787719308093644,0.8539341429137975,0.8319509797353655,0.8079252557131049,0.8047640640810366,0.7831454035146087,0.7756512589442771,0.7616085427610151,0.7245441499569222,0.7201014585964568,0.7097351904282698,0.692675831036271,0.6908319407910593,0.6907291697563427,0.6854888231426385,0.6733564683381603,0.6725256407338606,0.6710132414330524,0.6683761336163727,0.6536827941063869,0.6506614931825629,0.6490037605344843,0.6486219681873563,0.6431136995164884],"twin_dists":[0.056518923385439165,0.06602680969293115,0.07298465593178186,0.0787818593906135,0.084824194428337,0.0856002209086428,0.09080760620816826,0.09257642003996339,0.09584747347052704,0.10425816828530164,0.10524853480824464,0.10754726634272356,0.1112976869164976,0.11170092287079367,0.11172338639488869,0.11286729370231541,0.11550514688341254,0.11568529998845178,0.11601309404277595,0.11658421040660193,0.11975710480823265,0.12040783445992423,0.12076466590237928,0.12084682731123401,0.12203140401647326],"n_dims_used":45,"mean_confidence":0.9140769958496093},"coverage":{"mean_confidence":0.9140769958496093,"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}}