{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012005},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009786","490:4900009771","490:4900010950","490:4900012075","490:4900010885","490:4900008609","490:4900011124","490:4900011678","490:4900011677","490:4900011986","490:4900008176","490:4900011998","490:4900011722","490:4900011542","490:4900010439","490:4900011798","490:4900011407","490:4900011123","490:4900010800","490:4900010879","490:4900011425","490:4900009276","490:4900011675","490:4900008951","490:4900010619"],"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":[0.20484724269692586,0.17332304013376584,0.07144614776535634,0.062059457080608824,0.0595508733215456,0.0581813416336415,0.05476320781776539,0.0545569803876443,0.052028034461971795,0.04791956266756529,0.04049765204284551,0.03737813567873269,0.034711767101513524,0.03392063837396247,0.03281422389724564,0.03207300772462794,0.03176161258740823,0.03132123277257847,0.029185819663132925,0.029000555210139424,0.028884447942323765,0.028191672837532877,0.027250683868540803,0.025979614917391234,0.024980176522687816],"twin_dists":[0.23127074438562503,0.24315321564898393,0.2983616572769987,0.30622092761018643,0.3084853621763015,0.309754903254213,0.31303451839285734,0.3132377499181499,0.3157832169318156,0.32014687838598643,0.3288934542053863,0.33297900525558377,0.33670704327830936,0.33786001783453684,0.3395115445418625,0.3406447365493729,0.34112749220293104,0.34181716858700517,0.3452840840829872,0.34559502500958905,0.3457907657201693,0.34697294055380584,0.3486193486026099,0.35092283972387567,0.3528034032826454],"n_dims_used":45,"mean_confidence":0.9142784966362847},"coverage":{"mean_confidence":0.9142784966362847,"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}}