{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003006},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002865","490:4900003957","490:4900002561","490:4900003020","490:4900002867","490:4900002864","490:4900003012","490:4900002413","490:4900002717","490:4900003544","490:4900003678","490:4900003677","490:4900003013","490:4900002866","490:4900002872","490:4900002857","490:4900002715","490:4900003541","490:4900002870","490:4900002249","490:4900003815","490:4900002723","490:4900003422","490:4900001256","490:4900002871"],"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":[0.4097664736607789,0.4054993032510884,0.3917919063140772,0.38722505736666357,0.3856060210127915,0.37473023317196297,0.31124840800794235,0.27907201847029156,0.27192442709692594,0.25536317917802986,0.23952074613590757,0.23796434948640954,0.2326818118496056,0.22929365887973366,0.20967294298167574,0.20379443711284045,0.2035643656912988,0.1981439259405172,0.1960427733872773,0.1889407584048943,0.1695239072497117,0.16677953720667713,0.14095912340075248,0.13912202715750102,0.13382453837481284],"twin_dists":[0.1734850798888627,0.17449990666422494,0.17779285391093855,0.17890173727282677,0.17929633728478608,0.18196791214105576,0.19842883188734642,0.20749744073312137,0.2095959440628087,0.21459325579198454,0.21956973094961577,0.22006996447052093,0.22178390338692386,0.22289668870841345,0.2295662537222952,0.23164624533822611,0.2317284811449827,0.2336847073989312,0.23445294196818606,0.2370927515754277,0.24468583074757902,0.2458083526330319,0.25709148211421917,0.2579507312685544,0.26047692396476896],"n_dims_used":45,"mean_confidence":0.9229807535807292},"coverage":{"mean_confidence":0.9229807535807292,"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}}