{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003968},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004526","490:4900004379","490:4900004256","490:4900004105","490:4900004255","490:4900003689","490:4900002416","490:4900003830","490:4900003560","490:4900003972","490:4900009488","490:4900003693","490:4900003428","490:4900004113","490:4900004377","490:4900004380","490:4900001947","490:4900007860","490:4900001524","490:4900009692","490:4900001951","490:4900003003","490:4900009487","490:4900004514","490:4900004247"],"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":[0.5156255928971525,0.4440678622884136,0.41953389358471965,0.400752850019438,0.3792561669343608,0.3299325180702059,0.32686263687055744,0.32260575553758436,0.3143439419489302,0.31255275544880723,0.2941864576219302,0.26095429550156163,0.2552532249836037,0.24475050896625863,0.23671885766453546,0.23300746388573132,0.20558492784762808,0.20017966498763834,0.19940495178217904,0.1915721302198158,0.18751802926245043,0.1802983580825248,0.17411211067796384,0.17029562544332602,0.16782077124608966],"twin_dists":[0.14948258667421718,0.16548454946783026,0.17117939878091806,0.1756343333557426,0.1808516482191885,0.19340985535087105,0.19422340010019534,0.19535853797008967,0.19758579973826365,0.19807302840259206,0.20316467447890996,0.2128840541700493,0.21462710468057877,0.21790415001408073,0.22047180949574838,0.22167751126334478,0.23100842313406145,0.23294574137817495,0.23322634557392474,0.2361067373363073,0.237629875635759,0.2404006057244277,0.24283791696231183,0.2443725323735406,0.24538090566085954],"n_dims_used":45,"mean_confidence":0.9200748019748264},"coverage":{"mean_confidence":0.9200748019748264,"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}}