{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003772},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003242","490:4900004053","490:4900003239","490:4900002966","490:4900003504","490:4900004054","490:4900003630","490:4900003773","490:4900003640","490:4900004195","490:4900002964","490:4900002967","490:4900005555","490:4900004209","490:4900004471","490:4900002963","490:4900003498","490:4900004472","490:4900003776","490:4900002817","490:4900003374","490:4900004608","490:4900003775","490:4900006929","491:4910001965"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.6964626384839778,0.5788836640582277,0.5270290639282155,0.4828811256406038,0.475848506985922,0.4665076249749603,0.46332365365555256,0.45459986867793767,0.4382499597047797,0.4190846076043031,0.37782508419399957,0.33062490774541486,0.3269677264670519,0.3231592362436705,0.2992635133438177,0.29019524401553853,0.28596668303076156,0.27824631391669286,0.2619749050482568,0.2555002370958547,0.2532680852222018,0.24974680239892103,0.2427641989232685,0.23488499511221708,0.2277858070160468],"twin_dists":[0.11046833004527683,0.13579851120909056,0.14699354688637756,0.1567111838616619,0.1582823955065143,0.16038115341047146,0.16109980620831935,0.16307785105501788,0.16682334640710386,0.17128494697072055,0.18120390166043598,0.193226942313485,0.19419548096292494,0.19521047788607032,0.2017390856402283,0.20429560914385944,0.20550395714704214,0.20773817325030525,0.21257454917841517,0.21455107607710544,0.21523981866339223,0.2163342273412163,0.21853401386297533,0.22106600779445792,0.2233954089873773],"n_dims_used":45,"mean_confidence":0.8972355312771267},"coverage":{"mean_confidence":0.8972355312771267,"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}}