{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004548},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004540","490:4900003030","490:4900003860","490:4900004535","490:4900004261","490:4900004549","490:4900005640","490:4900003998","490:4900003572","490:4900005629","490:4900005757","490:4900004399","490:4900001987","490:4900003039","490:4900002284","490:4900003580","490:4900002431","490:4900003846","490:4900003861","490:4900003565","490:4900001683","466:4660003885","490:4900004419","490:4900003716","490:4900003992"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490],"twin_sims":[0.5969372551347487,0.49411735556367936,0.4348450623118883,0.4036521879146528,0.3916847100188339,0.3894087428677869,0.37894733799851094,0.37651696663533163,0.37571357544117523,0.35291818200555225,0.31865254148970656,0.3181407502227927,0.30866416665477514,0.30577721940594904,0.2827230178028036,0.27785559490551337,0.2563978207676719,0.24418159346030063,0.24068530466938168,0.2327582149657796,0.2301515273697964,0.22929148131603988,0.22797084035749016,0.21744139065095872,0.2124557117478398],"twin_dists":[0.13192886327116837,0.1542154652671819,0.16761010716209834,0.17494066373465839,0.17781881275938136,0.17837075129089033,0.18092761019294115,0.18152645583872545,0.18172482620603023,0.18744439055410408,0.1964202082157158,0.19655819372666597,0.19913629620689685,0.19993066740807644,0.20643815070571464,0.20785223824732263,0.21427519735572673,0.21808421621270252,0.21919681692213874,0.2217589333341118,0.2226139162207796,0.2228974073697158,0.22333409210658586,0.22687745400354756,0.2285954588632599],"n_dims_used":45,"mean_confidence":0.9220334370930989},"coverage":{"mean_confidence":0.9220334370930989,"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}}