{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009962},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010163","490:4900009846","490:4900012045","490:4900007904","490:4900010926","490:4900010939","490:4900010518","490:4900010340","490:4900010604","490:4900011840","490:4900011643","490:4900009861","490:4900009954","490:4900010248","490:4900011161","490:4900010317","490:4900011364","490:4900010503","490:4900010232","490:4900010907","490:4900008568","490:4900009336","490:4900010596","490:4900011898","490:4900008350"],"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":[0.29488135460510984,0.21200306436075203,0.16834967941799028,0.154882373494041,0.07410528647774767,0.07388105864988372,0.07013147025682596,0.027869545636357285,0.014552161729011822,0.012735830009100581,0.00780330809041402,0.0061400253718890095,0.006038642893862056,0.005889445624906105,0.0033527309809596065,0.0026006951776357395,0.0019789150305601394,0.0017236844396450962,0.0016931856439858593,0.0013638568253105901,0.0009906510174708895,0.0009758325411394562,0.0008915933416718085,0.0008164009572713694,0.000781006482742846],"twin_dists":[0.2029687023383034,0.22875277937050045,0.24516450949492868,0.25083530473304044,0.29628856359652295,0.2964610300435138,0.29940977398313795,0.34753115685839625,0.3777546637529325,0.38366145762020837,0.40462552409805425,0.4144981000336747,0.41517507680544347,0.4161902226950338,0.4384290333839186,0.4480943290503988,0.4582639844043612,0.46331860679554987,0.46396807727879286,0.4717658775671811,0.4830614553018991,0.48358742458662296,0.4867262072780237,0.4897699321752761,0.49129398925523854],"n_dims_used":45,"mean_confidence":0.8918572319878473},"coverage":{"mean_confidence":0.8918572319878473,"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}}