{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003199},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003209","490:4900003464","490:4900003457","490:4900003724","490:4900001840","490:4900003864","490:4900003218","490:4900004147","490:4900003061","490:4900003058","490:4900004156","490:4900003060","490:4900003208","490:4900002001","490:4900002452","490:4900001996","490:4900003866","490:4900003084","490:4900003456","490:4900002453","490:4900002465","490:4900004426","490:4900004304","490:4900004577","490:4900002639"],"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":[0.8310481332973921,0.7780562968692475,0.7534088168719005,0.7479919117338425,0.7060994209386257,0.7011720095981,0.69185871618558,0.6709989219152908,0.6701298755132318,0.6606189439349326,0.6558783834189955,0.651937609100462,0.6485919752592887,0.6426848920823021,0.6280242539562698,0.6238315250843598,0.6209338818262868,0.6081272803254377,0.5972238411750587,0.5967932393267668,0.5929290495742903,0.5800182364304961,0.5756863778276244,0.5597703372298021,0.5532133139905825],"twin_dists":[0.07901399085961493,0.09201062457074376,0.09773385778849819,0.09897136654690845,0.10834976770459057,0.10943450330948244,0.11147642714780738,0.11601619672152744,0.116204465958374,0.11826112795870419,0.11928388705997647,0.12013304613453747,0.12085328144698304,0.12212356168911238,0.12527018642459398,0.12616889524927205,0.12678978756213014,0.12953260720143622,0.13186748268523354,0.13195970871188212,0.13278744264851175,0.13555509036669727,0.13648470873647237,0.13990667781376734,0.14132010670696027],"n_dims_used":45,"mean_confidence":0.9175363328721788},"coverage":{"mean_confidence":0.9175363328721788,"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}}