{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010420},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010594","490:4900010422","490:4900010767","490:4900010587","490:4900010501","490:4900010335","490:4900011381","490:4900010508","490:4900010423","490:4900008012","490:4900010060","490:4900010154","490:4900011517","490:4900009730","490:4900007788","490:4900009663","490:4900010058","490:4900010421","490:4900010757","490:4900011091","490:4900010504","490:4900010906","490:4900010244","490:4900010500","490:4900007998"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6887265999406313,0.3448775875420093,0.22970959783264913,0.2069241325259792,0.17746306671168868,0.17711917837917393,0.16083337438018128,0.145039077281336,0.13313503147649147,0.1319993847062177,0.12786251084241537,0.12474408652311514,0.11005754592595555,0.1088403453882702,0.10831886349544549,0.10792447017219198,0.10724429483435048,0.10594588023407364,0.10260166166041106,0.10088453337246234,0.09976166640611295,0.09927666621176523,0.09783794947114426,0.09652651038160072,0.0964330096027548],"twin_dists":[0.11216087255095394,0.18950692622189066,0.22275949895076755,0.23053384120323117,0.24151017473587272,0.2416456066744112,0.24828703210386463,0.25521259239431643,0.2608112143826057,0.26136465458803526,0.2634115700274445,0.2649879389393366,0.2728447483880294,0.2735314071708863,0.27382741103575786,0.2740520111651887,0.2744408591005578,0.275188493610315,0.2771474788506712,0.27817275837389066,0.27885061238023107,0.2791452463078703,0.28002594444443263,0.28083763091443015,0.28089583137755714],"n_dims_used":45,"mean_confidence":0.8943312750922309},"coverage":{"mean_confidence":0.8943312750922309,"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}}