{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004133},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002295","490:4900002596","490:4900002445","490:4900003852","490:4900002744","490:4900003996","490:4900002738","490:4900004687","490:4900003854","490:4900004824","490:4900002449","490:4900004417","490:4900002728","490:4900004134","490:4900003853","490:4900002136","490:4900002599","490:4900003453","490:4900001817","490:4900002447","490:4900002600","490:4900002587","490:4900004007","490:4900005110","490:4900004547"],"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":[0.6277289879910903,0.5196239061605894,0.41839845869684905,0.4179081831828535,0.3748666912267593,0.37280510181336496,0.3391317121409273,0.33912837911487376,0.3369102629737131,0.32738506061255546,0.30020621565397937,0.28903963588528664,0.2858718355570315,0.2829249633869582,0.28141005808188346,0.27638046838391417,0.2747085128522961,0.2706736612748283,0.26540091010604466,0.263964211863837,0.263505684679555,0.260869299565241,0.25275092449467035,0.2505385033405767,0.2367890555396],"twin_dists":[0.1253334901596079,0.1486084230039729,0.17144623290949346,0.17156154594955186,0.18193416052754074,0.1824447205020629,0.19099647098296868,0.19099733893116042,0.1915759774331854,0.19408465678199346,0.20147595062926213,0.20462478302936551,0.2055311829751143,0.20637980119121516,0.20681812904930774,0.2082837651809877,0.20877457721017834,0.209966632854486,0.2115410805315838,0.21197344567610493,0.21211174564898475,0.2129098638538312,0.2153999411830804,0.21608731423680763,0.22044912423930876],"n_dims_used":45,"mean_confidence":0.9203470865885417},"coverage":{"mean_confidence":0.9203470865885417,"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}}