{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003623},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002491","490:4900001870","490:4900002016","490:4900001201","490:4900002332","490:4900002020","490:4900003354","490:4900002333","490:4900002150","490:4900001333","490:4900002495","490:4900001202","490:4900003330","490:4900001722","490:4900003895","490:4900001699","490:4900002899","490:4900003356","490:4900001199","490:4900003074","490:4900001710","490:4900002793","490:4900002331","490:4900002608","490:4900003897"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.768452993728937,0.7459764694055464,0.7186049393650062,0.6888139739693495,0.6592993514089059,0.6531318546354437,0.6432250125594169,0.6174574650896529,0.5774383910505334,0.570642836624857,0.5673301590874582,0.5556982747419862,0.5540372462264757,0.5280924160753263,0.5271669558639325,0.5269035432081332,0.5163783752343772,0.5117537681643329,0.5051512433915727,0.504759573720851,0.4984038453116266,0.49795345161442234,0.49746088923872467,0.49622701084164045,0.4938186763267266],"twin_dists":[0.09425987233497174,0.09943013333001635,0.10558141324691107,0.1121417937441745,0.11854597119335891,0.11987580492377903,0.12200747970928448,0.12753451077808112,0.13610865160999785,0.13756789406076056,0.13827990488163236,0.1407841602960305,0.14114236366985733,0.14676207604509076,0.14696352477237548,0.14702087701211505,0.1493178787308535,0.1503306801958149,0.15178070803909352,0.15186688174814464,0.15326780890231975,0.153367272249954,0.153476077122939,0.15374877008473412,0.1542815852738188],"n_dims_used":45,"mean_confidence":0.9174889458550347},"coverage":{"mean_confidence":0.9174889458550347,"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}}