{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005987},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006964","490:4900007209","490:4900007211","490:4900006838","490:4900007093","490:4900006717","490:4900007333","490:4900006362","490:4900005727","490:4900005859","490:4900007089","490:4900006716","490:4900006241","490:4900005728","490:4900006236","490:4900006239","490:4900007091","487:4870002837","487:4870002963","490:4900006110","490:4900006476","490:4900006962","490:4900006358","490:4900007220","490:4900006480"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,487,490,490,490,490,490,490],"twin_sims":[0.17848267891296576,0.10713982066417026,0.02326952682396855,0.02303387033589859,0.003848077276060403,0.0013439733827907683,0.0007845599272255261,0.0007334783199681054,0.0007159214102241369,0.0006407100830286087,0.0005823329965472056,0.0002504205896988324,0.0002037936957760975,0.0001996969102908545,0.00014401345371486648,0.00013182372409456904,0.00008592397844655504,0.0000444163410383425,0.00003915356765383567,0.00003120289402857702,0.00002427954524141827,0.000009336711200441697,0.000005654460337794276,0.0000045797805127635504,0.0000031246759932381793],"twin_dists":[0.24110971867651368,0.27450075511012073,0.35617876930199627,0.35666048009281276,0.4330951642140583,0.4722906700794602,0.49113811157833925,0.4934448651373524,0.4942723426621616,0.49804566327115923,0.5012707060535011,0.5289055760885027,0.5354359028350353,0.5360752484768302,0.546264007397494,0.5489880746195894,0.5619844086985597,0.5814521007506781,0.5850991673250586,0.5916064368293079,0.5987164935171968,0.6250608652995768,0.6384507709380515,0.6439956983176793,0.6539326807147304],"n_dims_used":45,"mean_confidence":0.9224745008680556},"coverage":{"mean_confidence":0.9224745008680556,"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}}