{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010457},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010282","490:4900010369","490:4900010093","490:4900009992","490:4900011110","490:4900011614","490:4900010191","490:4900012138","490:4900010453","490:4900010280","490:4900004669","490:4900011549","490:4900010278","490:4900009991","490:4900009379","490:4900009892","490:4900004795","490:4900012127","490:4900011199","490:4900011036","490:4900010370","490:4900007598","490:4900010543","490:4900012053","490:4900011863"],"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":[0.4910137309973893,0.45856731690928876,0.3565351801547472,0.3391984544561014,0.2799268491055047,0.23646697040079528,0.23394540518431026,0.22863184836791595,0.22721253778428413,0.22721010398850144,0.2267245444566946,0.21552947833256575,0.2145810203631803,0.19781924049056895,0.19642394537345018,0.19602779300927428,0.18278239906094645,0.18249473492727664,0.18058539181317623,0.17371759737813972,0.17048704175085636,0.1695642356261701,0.1646509045402528,0.152636571928624,0.14792762614955599],"twin_dists":[0.15490310218557063,0.1621765951025982,0.18652457591403454,0.19097909168449864,0.20724867254264626,0.2205532459659051,0.2213716256979259,0.22311531393146822,0.22358559022432142,0.22358639830972976,0.22374773196184408,0.2275331029807347,0.22785981127873692,0.23380305121693035,0.23431315400802336,0.23445843959734985,0.23943860755212185,0.23954953684368915,0.24028896858974277,0.24299542964406892,0.24429497989203727,0.2446694330997029,0.24668822315275338,0.2518155809272219,0.2539059272177185],"n_dims_used":45,"mean_confidence":0.9198876274956598},"coverage":{"mean_confidence":0.9198876274956598,"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}}