{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003070},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003331","489:4890001986","489:4890002665","489:4890002660","489:4890001991","489:4890003500","489:4890002183","489:4890002182","489:4890002505","489:4890003329","489:4890003402","489:4890001748","489:4890001810","489:4890002986","489:4890003401","489:4890003462","489:4890002306","489:4890003311","489:4890003427","489:4890003502","489:4890003598","489:4890002577","489:4890002085","489:4890001814","489:4890002751"],"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":[0.8422326741377463,0.7401949939092101,0.7386935047009953,0.7102968730501096,0.703837699800045,0.6993881559983568,0.6874651251148894,0.6863971157556957,0.6822885878676804,0.6761163089881062,0.6692301574407776,0.6646153869865461,0.6623133113333274,0.6590931252632732,0.6537380002373443,0.6534575783096015,0.6490247777268608,0.6439833910801392,0.6396512361476759,0.6370882915833705,0.6340600472999238,0.6297101360087646,0.6231516171936062,0.622846674227527,0.6177610315660872],"twin_dists":[0.07610666405817422,0.10074135892778019,0.10108076986560774,0.10742312343912326,0.1088480688361414,0.10982642933226715,0.11243623409862699,0.1126692328531435,0.11356446198845482,0.1149062884929552,0.1163993158131291,0.1173977396482204,0.11789521458048799,0.11859047615045748,0.11974520965906849,0.1198056297526388,0.12076014280023548,0.12184446805202821,0.12277531934018707,0.12332566029478016,0.1239756056395109,0.12490869704276769,0.12631459682126644,0.12637994191867247,0.12746948722061305],"n_dims_used":45,"mean_confidence":0.9141007317437067},"coverage":{"mean_confidence":0.9141007317437067,"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}}