{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001466},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001470","490:4900001468","490:4900003755","490:4900002778","490:4900001333","490:4900002190","490:4900001733","490:4900003895","490:4900001201","490:4900001331","490:4900001165","490:4900001596","490:4900001608","490:4900002331","487:4870004560","490:4900003074","490:4900003896","496:4960005412","490:4900003754","490:4900001202","490:4900002178","490:4900004588","490:4900002327","490:4900004302","490:4900001699"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,496,490,490,490,490,490,490,490],"twin_sims":[0.7514682715014965,0.7403820564891976,0.607589843215173,0.6067196688963622,0.606469544942204,0.590905392479312,0.5901423603692975,0.5790480077263184,0.5731094082155296,0.5712607535156204,0.5439489500908806,0.5368996858753472,0.5318895849479867,0.5178626189933604,0.510133867397746,0.5064398876622196,0.504682825570167,0.4961744077769878,0.48283566907613,0.47634765351026304,0.46801359319240987,0.4652687445969994,0.45611685570769656,0.45190045360172676,0.4473030714442014],"twin_dists":[0.09817794686434331,0.1006990417188286,0.12964768746559346,0.12983401536313505,0.12988757361383438,0.1332210120443732,0.1333845106146487,0.13576324903262038,0.1370380351867149,0.137435132949121,0.14332164610946407,0.1448486618744078,0.14593632217683436,0.14899329859389449,0.15068598638428596,0.151497311189762,0.15188376969461195,0.15376039991250984,0.1567213162186403,0.15817063198074105,0.1600418321771601,0.16066057768570763,0.16273291291867972,0.1636926990544917,0.16474299990423422],"n_dims_used":45,"mean_confidence":0.9175834655761719},"coverage":{"mean_confidence":0.9175834655761719,"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}}