{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000609},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000399","490:4900001591","490:4900000512","496:4960008473","490:4900000299","490:4900000077","490:4900000154","490:4900000696","490:4900000842","490:4900000339","490:4900000056","490:4900000285","487:4870004411","496:4960008163","490:4900000135","490:4900000467","490:4900001454","490:4900000143","490:4900000346","494:4940008318","490:4900000500","490:4900000099","490:4900000818","496:4960007431","496:4960009174"],"twin_admin_codes":[490,490,490,496,490,490,490,490,490,490,490,490,487,496,490,490,490,490,490,494,490,490,490,496,496],"twin_sims":[0.5858692498282713,0.5316782069466821,0.4957048986287485,0.48219602552262236,0.46967758401906234,0.4510018745423291,0.4459883795392571,0.42588740569603944,0.424442998680316,0.41046384897641264,0.3963697181458197,0.38769605453722383,0.3865455863408996,0.3851490037614351,0.3737197906685125,0.3647258286163356,0.359769982691901,0.34952776664107016,0.3394404773638311,0.33809970537295275,0.3338885945293827,0.3290016319382073,0.3281800108042734,0.32308594532030976,0.3119176728500717],"twin_dists":[0.1343003478719086,0.1459822568428441,0.15386421772128722,0.1568639257595287,0.15966733879875014,0.16389766996125668,0.16504409601785827,0.16969186737699696,0.17002922262740414,0.17331967303622575,0.1766873424692602,0.1787870901481146,0.17906724607292723,0.17940786620506627,0.1822180235927903,0.18445920880054426,0.18570602016735815,0.18831104462279916,0.1909160857827291,0.19126543392598477,0.19236756278850672,0.19365610608607545,0.19387377123440236,0.19523007561024247,0.19824616188612934],"n_dims_used":45,"mean_confidence":0.9153033786349827},"coverage":{"mean_confidence":0.9153033786349827,"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}}