{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003198},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002920","490:4900002485","490:4900002488","490:4900003466","490:4900003738","490:4900001699","490:4900003471","490:4900003338","490:4900002918","490:4900004149","490:4900002303","490:4900003074","490:4900004161","490:4900002487","490:4900003330","490:4900002148","490:4900003455","490:4900001572","490:4900002626","490:4900003460","490:4900003595","490:4900001596","490:4900003490","490:4900002327","490:4900003075"],"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":[0.7137829937958398,0.6930684194933031,0.6851248516102072,0.6463604613728134,0.6053416862508765,0.601085552707117,0.5897129895790116,0.5723855053182688,0.5536848906629344,0.5520423163022737,0.5497842131761976,0.5374357794780319,0.5329685704732702,0.5278408397915467,0.5187102221451667,0.5147011772087048,0.5118818694699985,0.4940202397704457,0.49070167376064977,0.48263824263181915,0.479798508802239,0.47305331940420614,0.46988262889803073,0.4654468585677795,0.46201018751175643],"twin_dists":[0.10665159623158252,0.11121178286693058,0.11294663683074047,0.12133335051303369,0.1301290787457026,0.13104046205726055,0.13347651875991706,0.13719351623872886,0.1412183706878241,0.14157279149807941,0.1420602997153386,0.14473239974426658,0.14570190618378528,0.1468168300730637,0.14880804191714345,0.14968492851158965,0.15030259491331113,0.15423696296382608,0.1549723122462899,0.15676532642750884,0.15739898822907902,0.15890897654742073,0.15962122311638322,0.16062038901126727,0.1613967698665339],"n_dims_used":45,"mean_confidence":0.9177178276909722},"coverage":{"mean_confidence":0.9177178276909722,"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}}