{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011978},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011768","490:4900011174","490:4900011905","490:4900012042","490:4900011707","490:4900011901","490:4900011455","490:4900011645","490:4900012119","490:4900011176","490:4900011574","490:4900011454","490:4900011585","490:4900011456","490:4900011839","490:4900012098","490:4900011246","490:4900012169","490:4900011449","490:4900011838","490:4900011097","490:4900011385","490:4900011702","490:4900011391","490:4900011319"],"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":[0.3945695924287104,0.36237678233183224,0.33440924878598705,0.3150810945409674,0.30743144735352984,0.2702733396106203,0.23140687387640554,0.2298139541909242,0.22966412009308118,0.22473847746920017,0.21582752575722483,0.1890561117233602,0.18613246492819926,0.17384427335950406,0.16425849181384497,0.15925382475942618,0.1546086862900021,0.14668215700119094,0.14390088598648829,0.13912476181286065,0.13775781987170105,0.1373881677797087,0.13182452388600988,0.12559676080938062,0.12489286622109044],"twin_dists":[0.17712135234056972,0.18504911212234007,0.19223089077221378,0.19738574195135916,0.19947496468689152,0.21008549920953803,0.22220137627913186,0.22272510467794024,0.22277449095060717,0.22441002665344342,0.2274306370506108,0.2370493264494288,0.2381557227763192,0.2429448253959024,0.24685132269248997,0.24895661897481366,0.2509542076752997,0.254466992856208,0.2557327597858377,0.2579494459391391,0.2585942956970542,0.2587694988413389,0.26145018847318835,0.26455396817168714,0.2649120552180213],"n_dims_used":45,"mean_confidence":0.891078864203559},"coverage":{"mean_confidence":0.891078864203559,"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}}