{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001987},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001644","489:4890001891","489:4890001646","489:4890001899","489:4890002071","489:4890001730","489:4890002234","489:4890001564","489:4890001727","489:4890001657","489:4890001562","489:4890001900","489:4890001645","489:4890001984","489:4890002233","489:4890002235","489:4890001567","489:4890001334","470:4700007560","489:4890002469","470:4700008209","489:4890001147","489:4890001813","489:4890001565","489:4890001811"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,470,489,470,489,489,489,489],"twin_sims":[0.949966408276302,0.9431388133916505,0.886066977266057,0.858903140217965,0.7866873172745691,0.7574583019863017,0.7418425550123862,0.7355002545759647,0.7186573550531563,0.7146433637380963,0.7129932580128259,0.7053729043880099,0.7046866656530476,0.7024417450548096,0.6863792655531759,0.6801743933751783,0.6502528388195864,0.6468065419355367,0.6410603481731084,0.6397295408703496,0.6283715259345017,0.6127184702088704,0.6114276947452126,0.6057809311608905,0.6031313188860847],"twin_dists":[0.0416120186949632,0.0444397791026205,0.06387996137539921,0.07163119520799043,0.08996551492916124,0.09680429770371407,0.10036840341335815,0.10180111968441379,0.10556976020136104,0.10646090699501466,0.10682653267172913,0.10850990852969868,0.1086611056870709,0.10915528521178303,0.11267312606642792,0.11402448239424362,0.12049581199012288,0.12123740427598675,0.12247263032738155,0.12275850094714039,0.1251957299735835,0.12854946496787986,0.12882587788312527,0.1300350243814328,0.13060238498694143],"n_dims_used":44,"mean_confidence":0.9119734330610796},"coverage":{"mean_confidence":0.9119734330610796,"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}}