{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":493,"cluster_id":4930001004},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["493:4930001117","493:4930001234","493:4930001238","493:4930001987","493:4930000891","493:4930003179","493:4930000681","493:4930002331","493:4930001005","493:4930000897","493:4930000900","493:4930003357","493:4930000795","493:4930002836","493:4930000892","493:4930001013","493:4930001995","493:4930001127","493:4930001990","493:4930002833","493:4930001508","493:4930002668","493:4930002159","493:4930002834","493:4930000898"],"twin_admin_codes":[493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493],"twin_sims":[0.36308384851750386,0.36094118813993836,0.32865989603454554,0.2908854352801643,0.2897683861696535,0.2896171674026758,0.2845230752298044,0.27613394329374225,0.27381805815679144,0.2726263118745536,0.2686250095346767,0.24646290747476776,0.23364393229921063,0.2325546574542288,0.22711977090216492,0.2196460175912768,0.21309107512619843,0.21308571003543136,0.21129834229068412,0.20450594962999472,0.1828822787882984,0.17534707441767966,0.17416147337028617,0.17379033698355342,0.16596923686333362],"twin_dists":[0.18487134735517546,0.18541058001725494,0.19374660289001233,0.20409938135761233,0.20441710798056772,0.20446017578584813,0.20591893176070977,0.20835601961275488,0.20903672248998212,0.20938838695317546,0.21057608336367334,0.21736378479356905,0.22146985546335138,0.22182547191095472,0.22361639537270492,0.22612621788679602,0.22837501666763738,0.22837687624654932,0.22899816379789614,0.2313923272111413,0.23940012066703836,0.24234648838869502,0.24281822644603618,0.24296636856236747,0.2461423296133526],"n_dims_used":45,"mean_confidence":0.9275176154242621},"coverage":{"mean_confidence":0.9275176154242621,"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}}