{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001092},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960009382","490:4900000523","490:4900000358","490:4900000189","490:4900000518","490:4900000191","490:4900000071","490:4900000432","490:4900000199","490:4900000045","490:4900000051","490:4900000037","490:4900000291","490:4900000196","490:4900000294","496:4960008387","490:4900000277","490:4900002508","490:4900000247","490:4900001063","490:4900000181","490:4900000727","496:4960009284","478:4780008114","496:4960011915"],"twin_admin_codes":[496,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,496,478,496],"twin_sims":[0.5637935070311918,0.5509782867469738,0.5293868795095963,0.5128950911708998,0.481576559863309,0.47872953896495807,0.45068717580066553,0.4506758535287758,0.4237879470772375,0.42164887378209204,0.4107405504530705,0.4096657820960937,0.4053827831428663,0.39672717897273013,0.38904803768066754,0.38237838949121467,0.37561799554629804,0.33526971515746956,0.3347613248979609,0.3263810868554303,0.3251378174908659,0.3224663851316489,0.32075976988769966,0.31740709466050565,0.31676739542058724],"twin_dists":[0.13904059778746133,0.14180246767726962,0.14648043309312034,0.1500805159382801,0.15700209332698506,0.15763782829316728,0.16396949038984537,0.16397207470251907,0.170182373705501,0.17068318025709361,0.17325407780868488,0.1735089726141109,0.17452768403272004,0.17660126682485405,0.17845836363774423,0.18008535333387832,0.18174844023666215,0.19200527111655888,0.19213853615510018,0.19435139695215808,0.19468234448778468,0.19539584289014147,0.19585338085787757,0.19675621506158197,0.1969290874752181],"n_dims_used":45,"mean_confidence":0.9176027086046007},"coverage":{"mean_confidence":0.9176027086046007,"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}}