{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004112},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004378","490:4900002851","494:4940008971","490:4900002406","490:4900001385","490:4900002408","490:4900002252","490:4900003000","490:4900004375","490:4900002703","490:4900003833","490:4900002556","490:4900004931","490:4900002254","490:4900002255","490:4900004240","490:4900002998","490:4900003967","494:4940007230","494:4940008948","490:4900004111","490:4900002850","490:4900008954","494:4940008890","494:4940008888"],"twin_admin_codes":[490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,494,490,490,490,494,494],"twin_sims":[0.575141979135586,0.4226223073129022,0.40828901522275746,0.37208029610875537,0.35270728777426597,0.34343731788913145,0.31806072980208244,0.26968214164263343,0.19033377537994162,0.17679840719418244,0.1603484599285961,0.14422319411160278,0.1163303517635503,0.10408992100417797,0.10341011136415522,0.10214176107533829,0.09569113072621249,0.07450508708596913,0.06038231009904526,0.060228290580738565,0.05811289252840699,0.05652279834708189,0.05616672202834312,0.05476146618376394,0.05428132782657286],"twin_dists":[0.13660158177529194,0.170455145157496,0.17383592030908845,0.18262455155319518,0.18749817211531714,0.18987904679692785,0.19657977956135125,0.2102612410425167,0.2365695807557552,0.24177210315769168,0.24849208166230702,0.25558515224135014,0.2693962090588725,0.2762696326516196,0.2766693943149664,0.27742075858378956,0.2813592010004333,0.2959820972180388,0.30772630481931446,0.30786626510836235,0.30981899826287035,0.3113257638992511,0.31166796784503314,0.31303623207075265,0.3135103938305329],"n_dims_used":45,"mean_confidence":0.9081072489420573},"coverage":{"mean_confidence":0.9081072489420573,"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}}