{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011398},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011270","490:4900011331","466:4660011321","490:4900011261","490:4900011113","490:4900011934","490:4900010455","490:4900008074","490:4900011941","490:4900012070","490:4900003825","490:4900011726","490:4900012066","490:4900009171","490:4900007711","490:4900011332","490:4900011725","490:4900009153","490:4900011404","490:4900004789","490:4900012768","490:4900013141","466:4660008178","490:4900013029","490:4900002880"],"twin_admin_codes":[490,490,466,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490],"twin_sims":[0.00048452100694014547,0.0002717753492305644,0.00010445910086338448,0.00008937191777084079,0.00007310777502369509,0.00006808655008460667,0.00006805131145948383,0.00006520941036456887,0.00006410388629367683,0.00006261317386240107,0.00006200799109883158,0.00006097268410420841,0.00006088903511991344,0.00005519591556874861,0.00005320796146639718,0.000049694536701994,0.00004263797319685979,0.00004221187264361024,0.00004163923216716399,0.000039572037674297404,0.00003759727152879411,0.00003363496749700586,0.000033018939596835695,0.00003120810436010673,0.000031156645710589935],"twin_dists":[0.5074204618861584,0.5262893307773719,0.556090796115251,0.5608023084766447,0.5668117781506316,0.5689252939575418,0.568940642128504,0.5702039275616481,0.5707095083810528,0.571404495966751,0.5716911270461937,0.5721876852971709,0.5722281538116809,0.5751144274589869,0.5761892283784362,0.5781855680338372,0.5826362691140136,0.5829269634270857,0.5833220537548354,0.5847926080730359,0.5862672767858879,0.589462637145166,0.5899913426345965,0.591601676348993,0.5916487253406018],"n_dims_used":45,"mean_confidence":0.8972623189290364},"coverage":{"mean_confidence":0.8972623189290364,"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}}