{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002746},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003721","490:4900002298","490:4900002598","490:4900003585","490:4900001670","490:4900003990","490:4900003179","490:4900002581","490:4900003042","490:4900004547","490:4900004143","490:4900003451","490:4900001410","490:4900002588","490:4900002296","490:4900001414","490:4900001540","490:4900003718","490:4900004675","490:4900002288","490:4900002318","490:4900004138","490:4900004830","490:4900004282","490:4900002743"],"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":[0.6737256266419903,0.633810812921049,0.6148879864408705,0.5831420458067236,0.573253532645984,0.5682000885744578,0.5310749839032863,0.5304163584004142,0.5260353775875877,0.4808824243364511,0.4781014857826258,0.47186325364521,0.47033409471962206,0.46257375786109084,0.45876753676307586,0.45241574441290366,0.4247175390482572,0.3997651323537282,0.3953736577325276,0.3908614284529867,0.38484472571386763,0.38111687411341766,0.37975714073779265,0.3635046076602409,0.3586009936486047],"twin_dists":[0.11542508137092589,0.12402908432488174,0.1280848457636584,0.1348850785083594,0.1370070823053528,0.13809288066798425,0.14611336453999782,0.14625654941549546,0.14720994544336463,0.15715698218957322,0.15777823411375286,0.15917611849475607,0.15951971001130116,0.1612693150636569,0.1621311873962633,0.16357522651020315,0.16996506438070358,0.17587116379034595,0.17692737981527928,0.17801829078075887,0.17948215610171683,0.1803946057884472,0.18072848846645426,0.18476564677522625,0.18600139161327664],"n_dims_used":45,"mean_confidence":0.9197634379069011},"coverage":{"mean_confidence":0.9197634379069011,"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}}