{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000503},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001060","490:4900001061","490:4900001065","496:4960008379","490:4900001044","490:4900000274","490:4900000955","496:4960008585","496:4960008581","490:4900001740","496:4960008680","490:4900001093","490:4900000517","496:4960008267","496:4960008967","496:4960008966","490:4900000619","490:4900000521","496:4960008963","496:4960008868","490:4900000145","490:4900002180","490:4900000343","490:4900000475","490:4900001882"],"twin_admin_codes":[490,490,490,496,490,490,490,496,496,490,496,490,490,496,496,496,490,490,496,496,490,490,490,490,490],"twin_sims":[0.7826782599836016,0.7458547668710445,0.6542543372830746,0.6244003939380055,0.5975231345805484,0.5933144054715954,0.5677310701683829,0.5575247954306765,0.5419086243773383,0.5078674944700675,0.5039312330587151,0.4995643527599681,0.49617638029127487,0.4891478979514876,0.4827695847313574,0.4736655089577589,0.46610355490706706,0.45864692840247806,0.4581816349651245,0.4569029022454147,0.41384250860815913,0.4120071825818014,0.40413977426077174,0.3981768912770692,0.39672779231480637],"twin_dists":[0.09091837009132381,0.09945780779024242,0.1196339469937585,0.1260469816469172,0.13180338139689834,0.13270488755001,0.13819370974119638,0.1403904521815829,0.14376324146899797,0.15118357689487802,0.15204918945694504,0.15301164304307727,0.15375996380984294,0.15531711443909926,0.15673604708116123,0.15877164132809823,0.1604722615352735,0.1621585392223391,0.1622640836676472,0.16255434278425115,0.1725200394120145,0.17295405479661635,0.1748242287395544,0.17625254393324355,0.1766011191642882],"n_dims_used":45,"mean_confidence":0.9167998419867621},"coverage":{"mean_confidence":0.9167998419867621,"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}}