{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004343},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890004775","489:4890004820","489:4890004395","489:4890004774","489:4890004625","489:4890004690","489:4890004689","489:4890004294","489:4890004688","489:4890004778","489:4890004016","489:4890004986","479:4790003330","489:4890004598","479:4790003329","489:4890003886","489:4890004463","489:4890004413","489:4890004292","489:4890004507","489:4890004734","489:4890004312","489:4890004825","489:4890003885","489:4890004393"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,479,489,479,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.8746807422301499,0.8123506789797921,0.8107125910770561,0.8098054951707422,0.7927032860415099,0.7804832498981397,0.7723729589302436,0.7665915706239957,0.7605851652919413,0.7603995688848839,0.7196921466019622,0.7085605939500754,0.7073050846927136,0.6985508575643045,0.6966259750586162,0.6934711091040252,0.6911553812105794,0.6816910301563739,0.6807842851325729,0.6748848621807599,0.6742473263989792,0.668932342042774,0.6639272099676793,0.6633376024269757,0.6611597530735659],"twin_dists":[0.06720834065064991,0.08373091120299354,0.08413655333199647,0.08436069069165097,0.08852569234957565,0.09143791119078239,0.09334493090409712,0.09469286329042961,0.09608380840016714,0.09612664109517002,0.10533961585133339,0.1078067301159901,0.10808385272784841,0.11001025223910092,0.11043251916461666,0.11112365014465375,0.11163021811290343,0.11369452644081132,0.11389182234862291,0.11517358243155593,0.11531191173134628,0.11646379882021318,0.1175464932928514,0.11767391345809246,0.11814435684208886],"n_dims_used":44,"mean_confidence":0.9180970625443892},"coverage":{"mean_confidence":0.9180970625443892,"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}}