{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002183},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002665","489:4890003331","489:4890002496","489:4890003070","489:4890003557","489:4890002505","489:4890002182","489:4890002090","489:4890002986","489:4890003981","489:4890002265","489:4890003916","489:4890002578","489:4890002004","489:4890002189","489:4890002168","489:4890002554","489:4890002839","489:4890002185","489:4890002179","489:4890002751","489:4890001991","489:4890002269","489:4890002253","489:4890001824"],"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":[0.7454902105845399,0.7409536534067104,0.7176346506350529,0.6874651251148894,0.6834908793245466,0.6770126126271779,0.6680052038260891,0.652490405313807,0.6302840001302877,0.6298212503861548,0.6254608067077381,0.617678765385978,0.6169058895870665,0.6147735493571608,0.6058991473495975,0.6027644142582426,0.5980048782651803,0.5824448644089144,0.5751947284783414,0.5730899475486817,0.5678389765762343,0.5630351419470677,0.5619404299514459,0.5611437510763825,0.554480776705687],"twin_dists":[0.09954068676634029,0.1005696913182077,0.1057970491680266,0.11243623409862699,0.11330266454137893,0.11471165485179863,0.11666449824372964,0.12001398351525391,0.12478563061736107,0.1248848690368355,0.1258197074053668,0.12748710865176124,0.12765265455050256,0.12810935442464072,0.1300097110908352,0.1306809518501719,0.13170020569102417,0.13503458991684136,0.13659025693627969,0.13704221471722533,0.13817051128019459,0.1392037908842376,0.1394394130537082,0.13961092571812614,0.14104669973511064],"n_dims_used":45,"mean_confidence":0.9177253723144532},"coverage":{"mean_confidence":0.9177253723144532,"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}}