{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001045},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000930","490:4900000688","494:4940008238","494:4940008024","490:4900000695","496:4960008265","494:4940007920","490:4900000286","490:4900000433","490:4900000776","490:4900001293","490:4900001191","490:4900000671","490:4900001726","490:4900002932","494:4940008233","494:4940008513","490:4900003487","494:4940008339","490:4900000577","490:4900002185","490:4900000689","494:4940008621","490:4900000288","490:4900000808"],"twin_admin_codes":[490,490,494,494,490,496,494,490,490,490,490,490,490,490,490,494,494,490,494,490,490,490,494,490,490],"twin_sims":[0.6147370602541954,0.591478624182328,0.5896633041127832,0.5615171611131494,0.5474408199076273,0.5405318483487827,0.5378074882895624,0.5322975155584581,0.5261264116573983,0.5194430999685383,0.5122843833496438,0.5034709795920728,0.5003838023670512,0.4894424009187081,0.4819010401217238,0.4785291148099527,0.47203271096021615,0.4683954735557903,0.46793858250675857,0.46571894023315075,0.45836417273894126,0.44820180406946186,0.44606920606441264,0.444817253445547,0.4377933932669893],"twin_dists":[0.128117169164143,0.13309818983991248,0.13348716588782691,0.1395305322541063,0.14256656939565684,0.1440613944989732,0.14465180086392118,0.1458476852836675,0.1471901168813338,0.14864791838469632,0.15021435823958523,0.1521505206336429,0.1528308612425263,0.15525173539421866,0.15692971325048632,0.15768262811672648,0.15913806558347748,0.15995584719689943,0.16005872455286682,0.1605590082489032,0.1622226732808785,0.16453736134488278,0.16502557507541746,0.16531259678259108,0.16692870310881758],"n_dims_used":45,"mean_confidence":0.9139697604709202},"coverage":{"mean_confidence":0.9139697604709202,"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}}