{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009553},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009751","490:4900009759","490:4900008482","490:4900009348","490:4900009750","490:4900009449","490:4900009649","490:4900009654","490:4900009136","490:4900009552","490:4900008813","490:4900007797","490:4900008257","490:4900008698","490:4900009653","490:4900009853","490:4900009564","490:4900009128","490:4900009758","490:4900009137","490:4900008925","490:4900009752","490:4900009123","490:4900009453","490:4900008124"],"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":[0.2162634764452432,0.12361996223709538,0.07787339998558018,0.07254719206709455,0.042309272800749885,0.033590807626024226,0.017737930300333448,0.017317178044442643,0.01169245075840751,0.01047044978517984,0.0070431760460568735,0.0048765700277908644,0.004872115322857975,0.004715793736798985,0.004227128502414879,0.003572746141098979,0.003414779906363959,0.003266424363953416,0.0023803079964274405,0.0023697259309822315,0.0022177313744933427,0.002110987345228069,0.0019472733223157058,0.0018596969137717205,0.0017421762909438031],"twin_dists":[0.2272809328554045,0.26556352296624564,0.2934514456168189,0.2974958202725599,0.3266413844349976,0.3383474844563244,0.36880924347016897,0.3699055371004895,0.38740111365963215,0.3921778711907526,0.40887558226979803,0.42376965238073017,0.423806027306591,0.42510195448858423,0.4294206137215123,0.43597690240132225,0.4377229667346627,0.4394312196146323,0.4514152233886369,0.45158167801625354,0.45405095956711683,0.45587978235638366,0.4588568814731728,0.4605453245284082,0.4629299613881655],"n_dims_used":45,"mean_confidence":0.8775281270345052},"coverage":{"mean_confidence":0.8775281270345052,"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}}