{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003775},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002967","490:4900002966","490:4900004195","490:4900003245","490:4900003780","490:4900003778","490:4900003630","490:4900002964","490:4900003498","490:4900003772","490:4900004068","490:4900004054","490:4900003507","490:4900004470","490:4900005157","490:4900004055","490:4900006670","490:4900003773","490:4900003921","490:4900004335","490:4900003776","490:4900004053","490:4900005951","490:4900002370","490:4900005290"],"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":[0.5569011341548414,0.5377874150312331,0.5145696428289548,0.3469241614369567,0.3226119899681123,0.32054982678488814,0.29950115175871245,0.2823612134615633,0.27715717185720945,0.2427641989232685,0.20440940601738763,0.2022201733928301,0.20207049988996506,0.17937314684144884,0.17281235778763185,0.17178146461913887,0.164021895683068,0.15877051672517253,0.15370746505957636,0.14909180583754045,0.1480493101042139,0.14689249210047958,0.1376054451959433,0.136506232508461,0.13379797001398938],"twin_dists":[0.14052486165646766,0.14465615314011496,0.14971372685200077,0.188979569681931,0.19535686942620867,0.19590975993972437,0.20167270833776696,0.2065427523131623,0.2080563770606756,0.21853401386297533,0.23142674528563917,0.2322102232142608,0.23226400030281924,0.24076131080883154,0.2433578224806149,0.24377217528146594,0.24694979596933794,0.24916246310699652,0.25134683451027984,0.25338462654348654,0.2538512977408763,0.25437199351809264,0.25866647371939544,0.25918893689782246,0.26048978097058756],"n_dims_used":45,"mean_confidence":0.8979482014973958},"coverage":{"mean_confidence":0.8979482014973958,"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}}